Handleiding Yamaha YP400A (pagina 38 van 94) (Engels)

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OWNER’S MANUAL

34B-28199-E3

YP400A

YP400

Read this manual carefully before operating this vehicle.

✦✧✯✲✦✰▲❆❍■✱✶✰✤✫✦ ✤  

EAU50920

Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.

General manager of quality assurance div.

Date of issue: 1 Aug. 2002

Place of issue: Shizuoka, Japan

DECLARATION of CONFORMITY

Company: YAMAHA MOTOR ELECTRONICS CO., LTD.

Address: 1450-6, Mori, Mori-Machi, Shuchi-gun, Shizuoka-Ken, 437-0292 Japan

Kind of equipment: IMMOBILIZER

Hereby declare that the product:

Type-designation: 5SL-00

is in compliance with following norm(s) or documents:

R&TTE Directive(1999/5/EC)

EN300 330-2 v1.3.1(2006-01), EN300 330-2 v1.5.1(2010-02)

EN60950-1:2006/A11:2009

Two or Three-Wheel Motor Vehicles Directive(97/24/EC: Chapter 8, EMC)

Version up the norm of EN60950 to EN60950-1

To change company name

version up of the following norm:

• EN300 330-2 v1.1.1 to EN300 330-2 v1.3.1 and EN300 330-2 v1.5.1

• EN60950-1:2001 to EN60950-1:2006/A11:2009

27 Feb. 2006

1 Mar. 2007

8 Jul. 2010

Revision record

No. Contents

To change contact person and integrate type-designation.

Date

9 Jun. 2005

✦✧✯✲✦❉❖✥✦ ✤  

INTRODUCTION

EAU10113

Welcome to the Yamaha world of motorcycling!

As the owner of the YP400/YP400A, you are benefiting from Yamaha’s vast experience and newest technology regarding

the design and manufacture of high-quality products, which have earned Yamaha a reputation for dependability.

Please take the time to read this manual thoroughly, so as to enjoy all advantages of your YP400/YP400A. The Owner’s

Manual does not only instruct you in how to operate, inspect and maintain your scooter, but also in how to safeguard yourself

and others from trouble and injury.

In addition, the many tips given in this manual will help keep your scooter in the best possible condition. If you have any fur-

ther questions, do not hesitate to contact your Yamaha dealer.

The Yamaha team wishes you many safe and pleasant rides. So, remember to put safety first!

Yamaha continually seeks advancements in product design and quality. Therefore, while this manual contains the most cur-

rent product information available at the time of printing, there may be minor discrepancies between your scooter and this

manual. If there is any question concerning this manual, please consult a Yamaha dealer.

WARNING

EWA12411

Please read this manual carefully and completely before operating this scooter.

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

IMPORTANT MANUAL INFORMATION

EAU10132

Particularly important information is distinguished in this manual by the following notations:

This is the safety alert symbol. It is used to alert you to potential personal injury

hazards. Obey all safety messages that follow this symbol to avoid possible

injury or death.

A WARNING indicates a hazardous situation which, if not avoided, could result in

death or serious injury.

A NOTICE indicates special precautions that must be taken to avoid damage to

the vehicle or other property.

A TIP provides key information to make procedures easier or clearer.

WARNING

NOTICE

TIP

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

IMPORTANT MANUAL INFORMATION

EAU10200

YP400/YP400A

OWNER’S MANUAL

1st edition, August 2010

Any reprinting or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.

is expressly prohibited.

Printed in Japan.

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

TABLE OF CONTENTS

SAFETY INFORMATION

...................1-1

Further safe-riding points .................1-5

DESCRIPTION

...................................2-1

Left view ...........................................2-1

Right view .........................................2-2

Controls and instruments..................2-3

INSTRUMENT AND CONTROL

FUNCTIONS

........................................3-1

Immobilizer system ..........................3-1

Main switch/steering lock .................3-2

Indicator and warning lights .............3-3

Speedometer ...................................3-5

Tachometer .....................................3-5

Multi-function display .......................3-5

Anti-theft alarm (optional) ................3-9

Handlebar switches .......................3-10

Front brake lever ...........................3-11

Rear brake lever ............................3-12

Rear brake lock lever .....................3-12

ABS (for ABS models) ...................3-13

Fuel tank cap .................................3-14

Fuel ................................................3-15

Catalytic converters .......................3-16

Seats .............................................3-17

Adjusting the rider seat ..................3-18

Storage compartments ..................3-19

Adjusting the shock absorber

assemblies .................................3-21

Sidestand .......................................3-21

Ignition circuit cut-off system ......... 3-22

FOR YOUR SAFETY –

PRE-OPERATION CHECKS

.............. 4-1

OPERATION AND IMPORTANT

RIDING POINTS

.................................. 5-1

Starting the engine .......................... 5-1

Starting off ....................................... 5-2

Acceleration and deceleration ......... 5-2

Braking ............................................ 5-3

Tips for reducing fuel

consumption ................................ 5-3

Engine break-in ............................... 5-4

Parking ............................................ 5-4

PERIODIC MAINTENANCE AND

ADJUSTMENT

.................................... 6-1

Owner’s tool kit ................................ 6-2

Periodic maintenance chart for

the emission control system ........ 6-3

General maintenance and

lubrication chart ........................... 6-4

Removing and installing

cowlings and panels .................... 6-7

Checking the spark plug ................ 6-10

Engine oil and oil filter element .....6-12

Final transmission oil ..................... 6-15

Coolant .......................................... 6-16

Air filter elements and check

hoses and V-belt case air

filter element .............................. 6-17

Checking the throttle grip free

play ............................................ 6-20

Valve clearance ............................ 6-20

Tires .............................................. 6-21

Cast wheels .................................. 6-22

Checking the front and rear

brake lever free play .................. 6-23

Adjusting the rear brake lock

lever cable ................................. 6-24

Checking the front and rear

brake pads ................................. 6-24

Checking the brake fluid level ....... 6-25

Changing the brake fluid ............... 6-26

Checking and lubricating the

cables ........................................ 6-26

Checking and lubricating the

throttle grip and cable ................ 6-27

Lubricating the front and rear

brake levers ............................... 6-27

Checking and lubricating the

centerstand and sidestand ........ 6-28

Checking the front fork .................. 6-28

Checking the steering ................... 6-29

Checking the wheel bearings ........ 6-29

Battery ........................................... 6-30

Replacing the fuses ...................... 6-31

Replacing a headlight bulb ........... 6-33

Tail/brake light ............................... 6-33

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

TABLE OF CONTENTS

Front turn signal light .....................6-34

Replacing a rear turn signal

light bulb .....................................6-34

Replacing the license plate

light bulb .....................................6-35

Auxiliary light bulb .........................6-35

Troubleshooting .............................6-36

Troubleshooting charts ..................6-37

SCOOTER CARE AND

STORAGE

...........................................7-1

Matte color caution ..........................7-1

Care .................................................7-1

Storage ............................................7-3

SPECIFICATIONS

..............................8-1

CONSUMER INFORMATION

..............9-1

Identification numbers .....................9-1

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

1-1

SAFETY INFORMATION

EAU10268

Be a Responsible Owner

As the vehicle’s owner, you are respon-

sible for the safe and proper operation

of your scooter.

Scooters are single-track vehicles.

Their safe use and operation are de-

pendent upon the use of proper riding

techniques as well as the expertise of

the operator. Every operator should

know the following requirements before

riding this scooter.

He or she should:

●

Obtain thorough instructions from

a competent source on all aspects

of scooter operation.

●

Observe the warnings and mainte-

nance requirements in this Own-

er’s Manual.

●

Obtain qualified training in safe

and proper riding techniques.

●

Obtain professional technical ser-

vice as indicated in this Owner’s

Manual and/or when made neces-

sary by mechanical conditions.

Safe Riding

Perform the pre-operation checks each

time you use the vehicle to make sure it

is in safe operating condition. Failure to

inspect or maintain the vehicle properly

increases the possibility of an accident

or equipment damage. See page 4-1

for a list of pre-operation checks.

●

This scooter is designed to carry

the operator and a passenger.

●

The failure of motorists to detect

and recognize scooters in traffic is

the predominating cause of auto-

mobile/scooter accidents. Many

accidents have been caused by an

automobile driver who did not see

the scooter. Making yourself con-

spicuous appears to be very effec-

tive in reducing the chance of this

type of accident.

Therefore:

• Wear a brightly colored jacket.

• Use extra caution when you are

approaching and passing

through intersections, since in-

tersections are the most likely

places for scooter accidents to

occur.

• Ride where other motorists can

see you. Avoid riding in another

motorist’s blind spot.

●

Many accidents involve inexperi-

enced operators. In fact, many op-

erators who have been involved in

accidents do not even have a cur-

rent driver’s license.

• Make sure that you are qualified

and that you only lend your

scooter to other qualified opera-

tors.

• Know your skills and limits.

Staying within your limits may

help you to avoid an accident.

• We recommend that you prac-

tice riding your scooter where

there is no traffic until you have

become thoroughly familiar with

the scooter and all of its con-

trols.

●

Many accidents have been caused

by error of the scooter operator. A

typical error made by the operator

is veering wide on a turn due to ex-

cessive speed or undercornering

(insufficient lean angle for the

speed).

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

1-2

SAFETY INFORMATION

• Always obey the speed limit and

never travel faster than warrant-

ed by road and traffic conditions.

• Always signal before turning or

changing lanes. Make sure that

other motorists can see you.

●

The posture of the operator and

passenger is important for proper

control.

• The operator should keep both

hands on the handlebar and

both feet on the operator foot-

rests during operation to main-

tain control of the scooter.

• The passenger should always

hold onto the operator, the seat

strap or grab bar, if equipped,

with both hands and keep both

feet on the passenger footrests.

Never carry a passenger unless

he or she can firmly place both

feet on the passenger footrests.

●

Never ride under the influence of

alcohol or other drugs.

●

This scooter is designed for

on-road use only. It is not suitable

for off-road use.

Protective Apparel

The majority of fatalities from scooter

accidents are the result of head inju-

ries. The use of a safety helmet is the

single most critical factor in the preven-

tion or reduction of head injuries.

●

Always wear an approved helmet.

●

Wear a face shield or goggles.

Wind in your unprotected eyes

could contribute to an impairment

of vision that could delay seeing a

hazard.

●

The use of a jacket, substantial

shoes, trousers, gloves, etc., is ef-

fective in preventing or reducing

abrasions or lacerations.

●

Never wear loose-fitting clothes,

otherwise they could catch on the

control levers or wheels and cause

injury or an accident.

●

Always wear protective clothing

that covers your legs, ankles, and

feet. The engine or exhaust sys-

tem become very hot during or af-

ter operation and can cause burns.

●

A passenger should also observe

the above precautions.

Avoid Carbon Monoxide Poisoning

All engine exhaust contains carbon

monoxide, a deadly gas. Breathing car-

bon monoxide can cause headaches,

dizziness, drowsiness, nausea, confu-

sion, and eventually death.

Carbon Monoxide is a colorless, odor-

less, tasteless gas which may be

present even if you do not see or smell

any engine exhaust. Deadly levels of

carbon monoxide can collect rapidly

and you can quickly be overcome and

unable to save yourself. Also, deadly

levels of carbon monoxide can linger

for hours or days in enclosed or poorly

ventilated areas. If you experience any

symptoms of carbon monoxide poison-

ing, leave the area immediately, get

fresh air, and SEEK MEDICAL TREAT-

MENT.

●

Do not run engine indoors. Even if

you try to ventilate engine exhaust

with fans or open windows and

doors, carbon monoxide can rap-

idly reach dangerous levels.

●

Do not run engine in poorly venti-

lated or partially enclosed areas

such as barns, garages, or car-

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

1-3

SAFETY INFORMATION

ports.

●

Do not run engine outdoors where

engine exhaust can be drawn into

a building through openings such

as windows and doors.

Adding accessories or cargo to your

scooter can adversely affect stability

and handling if the weight distribution of

the scooter is changed. To avoid the

possibility of an accident, use extreme

caution when adding cargo or accesso-

ries to your scooter. Use extra care

when riding a scooter that has added

cargo or accessories. Here, along with

the information about accessories be-

low, are some general guidelines to fol-

low if loading cargo to your scooter:

The total weight of the operator, pas-

senger, accessories and cargo must

not exceed the maximum load limit.

Operation of an overloaded vehicle

could cause an accident.

When loading within this weight limit,

keep the following in mind:

●

Cargo and accessory weight

should be kept as low and close to

the scooter as possible. Securely

pack your heaviest items as close

to the center of the vehicle as pos-

sible and make sure to distribute

the weight as evenly as possible

on both sides of the scooter to min-

imize imbalance or instability.

●

Shifting weights can create a sud-

den imbalance. Make sure that ac-

cessories and cargo are securely

attached to the scooter before

riding. Check accessory mounts

and cargo restraints frequently.

• Properly adjust the suspension

for your load (suspension-ad-

justable models only), and

check the condition and pres-

sure of your tires.

• Never attach any large or heavy

items to the handlebar, front

fork, or front fender. Such items

can create unstable handling or

a slow steering response.

●

This vehicle is not designed to

pull a trailer or to be attached to

a sidecar.

Genuine Yamaha Accessories

Choosing accessories for your vehicle

is an important decision. Genuine

Yamaha accessories, which are avail-

able only from a Yamaha dealer, have

been designed, tested, and approved

by Yamaha for use on your vehicle.

Many companies with no connection to

Yamaha manufacture parts and acces-

sories or offer other modifications for

Yamaha vehicles. Yamaha is not in a

position to test the products that these

aftermarket companies produce.

Therefore, Yamaha can neither en-

dorse nor recommend the use of ac-

cessories not sold by Yamaha or

modifications not specifically recom-

mended by Yamaha, even if sold and

installed by a Yamaha dealer.

Aftermarket Parts, Accessories,

and Modifications

While you may find aftermarket prod-

ucts similar in design and quality to

Maximum load:

YP400 188 kg (414 lb)

YP400A 185 kg (408 lb)

✦✧✯-✬-✲✦ ✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

1-4

SAFETY INFORMATION

genuine Yamaha accessories, recog-

nize that some aftermarket accessories

or modifications are not suitable be-

cause of potential safety hazards to you

or others. Installing aftermarket prod-

ucts or having other modifications per-

formed to your vehicle that change any

of the vehicle’s design or operation

characteristics can put you and others

at greater risk of serious injury or death.

You are responsible for injuries related

to changes in the vehicle.

Keep the following guidelines in mind,

as well as those provided under “Load-

ing” when mounting accessories.

●

Never install accessories or carry

cargo that would impair the perfor-

mance of your scooter. Carefully

inspect the accessory before using

it to make sure that it does not in

any way reduce ground clearance

or cornering clearance, limit sus-

pension travel, steering travel or

control operation, or obscure lights

or reflectors.

• Accessories fitted to the handle-

bar or the front fork area can

create instability due to improper

weight distribution or aerody-

namic changes. If accessories

are added to the handlebar or

front fork area, they must be as

lightweight as possible and

should be kept to a minimum.

• Bulky or large accessories may

seriously affect the stability of

the scooter due to aerodynamic

effects. Wind may attempt to lift

the scooter, or the scooter may

become unstable in cross

winds. These accessories may

also cause instability when

passing or being passed by

large vehicles.

• Certain accessories can dis-

place the operator from his or

her normal riding position. This

improper position limits the free-

dom of movement of the opera-

tor and may limit control ability,

therefore, such accessories are

not recommended.

●

Use caution when adding electri-

cal accessories. If electrical acces-

sories exceed the capacity of the

scooter’s electrical system, an

electric failure could result, which

could cause a dangerous loss of

lights or engine power.

Aftermarket Tires and Rims

The tires and rims that came with your

scooter were designed to match the

performance capabilities and to provide

the best combination of handling, brak-

ing, and comfort. Other tires, rims, siz-

es, and combinations may not be

appropriate. Refer to page 6-21 for tire

specifications and more information on

replacing your tires.

Transporting the Scooter

Be sure to observe following instruc-

tions before transporting the scooter in

another vehicle.

●

Remove all loose items from the

scooter.

●

Point the front wheel straight

ahead on the trailer or in the truck

bed, and choke it in a rail to pre-

vent movement.

●

Secure the scooter with tie-downs

or suitable straps that are attached

to solid parts of the scooter, such

✦✧✯-✬-✲✦ ✧ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

1-5

SAFETY INFORMATION

as the frame or upper front fork tri-

ple clamp (and not, for example, to

rubber-mounted handlebars or

turn signals, or parts that could

break). Choose the location for the

straps carefully so the straps will

not rub against painted surfaces

during transport.

●

The suspension should be com-

pressed somewhat by the

tie-downs, if possible, so that the

scooter will not bounce excessive-

ly during transport.

EAU10372

Further safe-riding points

●

Be sure to signal clearly when

making turns.

●

Braking can be extremely difficult

on a wet road. Avoid hard braking,

because the scooter could slide.

Apply the brakes slowly when

stopping on a wet surface.

●

Slow down as you approach a cor-

ner or turn. Once you have com-

pleted a turn, accelerate slowly.

●

Be careful when passing parked

cars. A driver might not see you

and open a door in your path.

●

Railroad crossings, streetcar rails,

iron plates on road construction

sites, and manhole covers be-

come extremely slippery when

wet. Slow down and cross them

with caution. Keep the scooter up-

right, otherwise it could slide out

from under you.

●

The brake pads could get wet

when you wash the scooter. After

washing the scooter, check the

brakes before riding.

●

Always wear a helmet, gloves,

trousers (tapered around the cuff

and ankle so they do not flap), and

a bright colored jacket.

●

Do not carry too much luggage on

the scooter. An overloaded

scooter is unstable. Use a strong

cord to secure any luggage to the

carrier (if equipped). A loose load

will affect the stability of the

scooter and could divert your at-

tention from the road. (See

page 1-1.)

✦✧✯-✬-✲✦ ★ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

2-1

DESCRIPTION

EAU10410

Left view

2 3

11 9

1. Headlight (page 6-33)

2. Fuel tank cap (page 3-14)

3. Rear storage compartment (page 3-19)

4. V-belt case air ﬁlter element (page 6-17)

5. Owner’s tool kit (page 6-2)

6. Fuses (page 6-31)

7. Battery (page 6-30)

8. Shock absorber assembly spring preload adjusting ring (page 3-21)

9. Air ﬁlter element (left) (page 6-17)

10.Engine oil ﬁlter element (page 6-12)

11.Sidestand (page 3-21)

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DESCRIPTION

2-2

EAU10420

Right view

7 68

1. Grab bar (page 5-2)

2. Passenger seat (page 3-17)

3. Rider seat (page 3-17)

4. Coolant reservoir (page 6-16)

5. Radiator (page 6-16)

6. Centerstand (page 6-28)

7. Air ﬁlter element (right) (page 6-17)

8. Shock absorber assembly spring preload adjusting ring (page 3-21)

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

DESCRIPTION

2-3

EAU10430

Controls and instruments

213467

9101112

1. Rear brake lever (page 3-12)

2. Left handlebar switches (page 3-10)

3. Rear brake lock lever (page 3-12)

4. Speedometer (page 3-5)

5. Multi-function display (page 3-5)

6. Tachometer (page 3-5)

7. Right handlebar switches (page 3-10)

8. Front brake lever (page 3-11)

9. Throttle grip (page 6-20)

10.Front storage compartment B (page 3-19)

11.Main switch/steering lock (page 3-2)

12.Front storage compartment A (page 3-19)

✦✧✯-✬-✲✦ ✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

3-1

INSTRUMENT AND CONTROL FUNCTIONS

EAU10977

Immobilizer system

This vehicle is equipped with an immo-

bilizer system to help prevent theft by

re-registering codes in the standard

keys. This system consists of the fol-

lowing:

●

a code re-registering key (with a

red bow)

●

two standard keys (with a black

bow) that can be re-registered with

new codes

●

a transponder (which is installed in

the code re-registering key)

●

an immobilizer unit

●

an ECU

●

an immobilizer system indicator

light (See page 3-4.)

The key with the red bow is used to reg-

ister codes in each standard key. Since

re-registering is a difficult process, take

the vehicle along with all three keys to

a Yamaha dealer to have them re-reg-

istered. Do not use the key with the red

bow for driving. It should only be used

for re-registering the standard keys. Al-

ways use a standard key for driving.

NOTICE

ECA11821

●

DO NOT LOSE THE CODE

RE-REGISTERING KEY! CON-

TACT YOUR DEALER IMMEDI-

ATELY IF IT IS LOST! If the

code re-registering key is lost,

registering new codes in the

standard keys is impossible.

The standard keys can still be

used to start the vehicle, how-

ever if code re-registering is re-

quired (i.e., if a new standard

key is made or all keys are

lost) the entire immobilizer sys-

tem must be replaced. There-

fore, it is highly recommended

to use either standard key and

keep the code re-registering

key in a safe place.

●

Do not submerse any key in

water.

●

Do not expose any key to ex-

cessively high temperatures.

●

Do not place any key close to

magnets (this includes, but not

limited to, products such as

speakers, etc.).

●

Do not place items that transmit

electrical signals close to any

key.

●

Do not place heavy items on

any key.

●

Do not grind any key or alter its

shape.

●

Do not disassemble the plastic

part of any key.

●

Do not put two keys of any im-

mobilizer system on the same

key ring.

●

Keep the standard keys as well

as keys of other immobilizer

systems away from this vehi-

cle’s code re-registering key.

●

Keep other immobilizer system

keys away from the main

1. Code re-registering key (red bow)

2. Standard keys (black bow)

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-2

switch as they may cause signal

interference.

EAU10472

Main switch/steering lock

The main switch/steering lock controls

the ignition and lighting systems, and is

used to lock the steering. The various

positions are described below.

TIP

Be sure to use the standard key (black

bow) for regular use of the vehicle. To

minimize the risk of losing the code

re-registering key (red bow), keep it in a

safe place and only use it for code

re-registering.

EAU34121

All electrical circuits are supplied with

power; the meter lighting, taillight, li-

cense plate light and auxiliary lights

come on, and the engine can be start-

ed. The key cannot be removed.

TIP

The headlights come on automatically

when the engine is started and stay on

until the key is turned to “OFF” or the

sidestand is moved down.

EAU10661

OFF

All electrical systems are off. The key

can be removed.

WARNING

EWA10061

Never turn the key to “OFF” or

“LOCK” while the vehicle is moving.

Otherwise the electrical systems will

be switched off, which may result in

loss of control or an accident.

EAU10683

LOCK

The steering is locked, and all electrical

systems are off. The key can be re-

moved.

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-3

To lock the steering

1. Turn the handlebars all the way to

the left.

2. Push the key in from the “OFF” po-

sition, and then turn it to “LOCK”

while still pushing it.

3. Remove the key.

To unlock the steering

Push the key in, and then turn it to

“OFF” while still pushing it.

EAU10941

(Parking)

The steering is locked, and the taillight,

license plate light and auxiliary lights

are on. The hazard lights and turn sig-

nal lights can be turned on, but all other

electrical systems are off. The key can

be removed.

The steering must be locked before the

key can be turned to “ ”.

NOTICE

ECA11020

Do not use the parking position for

an extended length of time, other-

wise the battery may discharge.

EAU11004

Indicator and warning lights

EAU11030

Turn signal indicator lights “” and

“”

The corresponding indicator light flash-

es when the turn signal switch is

pushed to the left or right.

EAU11080

High beam indicator light “”

This indicator light comes on when the

high beam of the headlight is switched

on.

EAU43023

Engine trouble warning light “”

This warning light comes on if an elec-

trical circuit monitoring the engine is not

working correctly. If this occurs, have a

Yamaha dealer check the self-diagno-

sis system.

The electrical circuit of the warning light

can be checked by turning the key to

“ON”. The warning light should come

on for a few seconds, and then go off.

If the warning light does not come on

initially when the key is turned to “ON”,

or if the warning light remains on, have

a Yamaha dealer check the electrical

circuit.

TIP

This warning light will come on when

the key is turned to “ON” and the start

switch is pushed, but this does not indi-

cate a malfunction.

1. Turn signal indicator lights “ ” and “ ”

2. High beam indicator light “ ”

3. Immobilizer system indicator light

4. Engine trouble warning light “ ”

5. Anti-lock Brake System (ABS) warning

light “ ” (for ABS models)

123

ABS

✦✧✯-✬-✲✦ ✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-4

EAU43032

ABS warning light “” (for ABS

models)

NOTICE

ECA10831

If the ABS warning light comes on or

flashes while riding, the ABS may

not work correctly. If this occurs,

have a Yamaha dealer check the

electrical circuit.

See page 3-13 for an explanation of the

ABS.

The electrical circuit of the warning light

can be checked by setting the engine

stop switch to “” and turning the key

to “ON”. The warning light should come

on for a few seconds, and then go off.

If the warning light does not come on

initially when the key is turned to “ON”,

or if the warning light remains on, have

a Yamaha dealer check the electrical

circuit.

WARNING

EWA11350

When the ABS warning light comes

on or flashes while riding, the brake

system reverts to conventional brak-

ing. Therefore, be careful not to

cause the wheel to lock during emer-

gency braking.

TIP

The ABS warning light may come on

while accelerating the engine with the

scooter on its centerstand, but this

does not indicate a malfunction.

EAU38624

Immobilizer system indicator light

The electrical circuit of the indicator

light can be checked by turning the key

to “ON”. The indicator light should

come on for a few seconds, and then

go off.

If the indicator light does not come on

initially when the key is turned to “ON”,

or if the indicator light remains on, have

a Yamaha dealer check the electrical

circuit.

When the key is turned to “OFF” and

30 seconds have passed, the indicator

light will start flashing indicating the

immobilizer system is enabled. After

24 hours have passed, the indicator

light will stop flashing, however the im-

mobilizer system is still enabled.

The self-diagnosis device also detects

problems in the immobilizer system cir-

cuits. (See page 3-8 for an explanation

of the self-diagnosis device.)

ABS

✦✧✯-✬-✲✦ ✧ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-5

EAU11601

Speedometer

The speedometer shows the riding

speed.

When the key is turned to “ON”, the

speedometer needle will sweep once

across the speed range and then return

to zero in order to test the electrical cir-

cuit.

EAU11872

Tachometer

The electric tachometer allows the rider

to monitor the engine speed and keep it

within the ideal power range.

When the key is turned to “ON”, the ta-

chometer needle will sweep once

across the r/min range and then return

to zero r/min in order to test the electri-

cal circuit.

NOTICE

ECA10031

Do not operate the engine in the ta-

chometer red zone.

Red zone: 8250 r/min and above

EAU3413B

Multi-function display

WARNING

EWA12312

Be sure to stop the vehicle before

making any setting changes to the

multi-function display. Changing

settings while riding can distract the

operator and increase the risk of an

accident.

1. Speedometer

1. Tachometer

2. Tachometer red zone

1. Clock/ambient temperature display

2. Coolant temperature meter

3. Fuel meter

4. Odometer/tripmeters

5. “SELECT” button

6. “RESET” button

✦✧✯-✬-✲✦ ★ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-6

The multi-function display is equipped

with the following:

●

a fuel meter

●

a coolant temperature meter

●

an odometer

●

two tripmeters (which show the

distance traveled since they were

last set to zero)

●

a fuel reserve tripmeter (which

shows the distance traveled since

the bottom segment of the fuel

meter and fuel level warning indi-

cator started flashing)

●

a self-diagnosis device

●

a clock

●

an ambient temperature display

●

an oil change indicator

●

a V-belt replacement indicator

TIP

●

Be sure to turn the key to “ON” be-

fore using the “SELECT” and

“RESET” buttons.

●

When the key is turned to “ON”, all

of the display segments of the

multi-function display will appear

one after the other and then disap-

pear, in order to test the electrical

circuit.

Odometer and tripmeter modes

Pushing the “SELECT” button switches

the display between the odometer

mode “Odo” and the tripmeter modes

“Trip” in the following order:

Odo

→

Trip (top)

→

Trip (bottom)

→

Odo

When approximately 2.8 L (0.74 US gal,

0.62 Imp.gal) of fuel remains in the fuel

tank, the bottom segment of the fuel

meter and fuel level warning indicator

will start flashing, and the display will

automatically change to the fuel reserve

tripmeter mode “Trip F” and start count-

ing the distance traveled from that point.

In that case, pushing the “SELECT” but-

ton switches the display between the

various tripmeter and odometer modes

in the following order:

Trip F

→

Trip (top)

→

Trip (bottom)

→

Odo

→

Trip F

To reset a tripmeter, select it by push-

ing the “SELECT” button until “Trip” or

“Trip F” begins flashing (“Trip” or “Trip

F” will only flash for five seconds).

While “Trip” or “Trip F” is flashing, push

the “RESET” button for at least one

second. If you do not reset the fuel re-

serve tripmeter manually, it will reset it-

1. V-belt replacement indicator “V-BELT”

2. Fuel level warning indicator “”

3. Coolant temperature warning indicator

“”

4. Oil change indicator “OIL”

1. Fuel reserve tripmeter

✦✧✯-✬-✲✦ ✩ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-7

self automatically and the display will

return to the prior mode after refueling

and traveling 5 km (3 mi).

TIP

The display cannot be changed back to

“Trip F” after pushing the “RESET” but-

ton.

Fuel meter

With the key in the “ON” position, the

fuel meter indicates the amount of fuel

in the fuel tank. The display segments

of the fuel meter disappear towards “E”

(Empty) as the fuel level decreases.

When the fuel level reaches the bottom

segment near “E”, the fuel level warn-

ing indicator and the bottom segment

will flash. Refuel as soon as possible.

Coolant temperature meter

With the key in the “ON” position, the

coolant temperature meter indicates

the temperature of the coolant. The

coolant temperature varies with chang-

es in the weather and engine load. If

the top segment and coolant tempera-

ture warning indicator flash, stop the

vehicle and let the engine cool. (See

page 6-37.)

NOTICE

ECA10021

Do not continue to operate the en-

gine if it is overheating.

Oil change indicator “OIL”

This indicator flashes at the initial

1000 km (600 mi), then at 5000 km

(3000 mi) and every 5000 km

(3000 mi) thereafter to indicate that the

engine oil should be changed.

After changing the engine oil, reset the

oil change indicator. (See page 6-12.)

If the engine oil is changed before the

oil change indicator comes on (i.e. be-

fore the periodic oil change interval has

been reached), the indicator must be

reset after the oil change for the next

periodic oil change to be indicated at

the correct time. (See page 6-12.)

The electrical circuit of the indicator can

be checked according to the following

procedure.

1. Set the engine stop switch to “”

and turn the key to “ON”.

2. Check that the indicator comes on

for a few seconds and then goes

off.

3. If the indicator does not come on,

have a Yamaha dealer check the

electrical circuit.

TIP

The oil change indicator may flash

when the engine is revved with the

scooter on the centerstand, but this

does not indicate a malfunction.

V-belt replacement indicator

“V-BELT”

This indicator flashes every 20000 km

(12500 mi) when the V-belt needs to be

replaced.

The electrical circuit of the indicator can

be checked according to the following

procedure.

✦✧✯-✬-✲✦ ✪ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-8

1. Turn the key to “ON” and make

sure that the engine stop switch is

set to “”.

2. If the indicator does not come on,

have a Yamaha dealer check the

electrical circuit.

Self-diagnosis device

This model is equipped with a self-diag-

nosis device for various electrical cir-

cuits.

If a problem is detected in any of those

circuits, the multi-function display will

indicate an error code.

If the multi-function display indicates an

error code, note the code number, and

then have a Yamaha dealer check the

vehicle.

NOTICE

ECA11790

If the multi-function display indi-

cates an error code, the vehicle

should be checked as soon as pos-

sible in order to avoid engine dam-

age.

The self-diagnosis device also detects

problems in the immobilizer system cir-

cuits.

If a problem is detected in the immobi-

lizer system circuits, the immobilizer

system indicator light will flash and the

multi-function display will indicate an

error code when the key is turned to

“ON”.

TIP

If the multi-function display indicates er-

ror code 52, this could be caused by

transponder interference. If this error

appears, try the following.

1. Use the code re-registering key to

start the engine.

TIP

Make sure there are no other immobi-

lizer keys close to the main switch, and

do not keep more than one immobilizer

key on the same key ring! Immobilizer

system keys may cause signal interfer-

ence, which may prevent the engine

from starting.

2. If the engine starts, turn it off, and

try starting the engine with the

standard keys.

3. If one or both of the standard keys

do not start the engine, take the

vehicle, the code re-registering

key and both standard keys to a

Yamaha dealer and have the stan-

dard keys re-registered.

Clock mode

To set the clock:

1. Push the “SELECT” button and

“RESET” button together for at

least two seconds.

2. When the hour digits start flashing,

push the “RESET” button to set the

hours.

3. Push the “SELECT” button, and

the minute digits will start flashing.

4. Push the “RESET” button to set

the minutes.

1. Error code display

✦✧✯-✬-✲✦ ✫ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-9

5. Push the “SELECT” button and

then release it to start the clock.

Pushing the “SELECT” button for

at least two seconds switches the

clock display to the ambient tem-

perature display.

Ambient temperature display

This display shows the ambient tem-

perature from –10 °C to 50 °C in 1 °C

increments. The temperature displayed

may vary from the ambient tempera-

ture. Pushing the “SELECT” button for

at least two seconds switches the am-

bient temperature display to the clock

display.

TIP

●

If the ambient temperature falls be-

low –10 °C, a lower temperature

than –10 °C will not be displayed.

●

If the ambient temperature climbs

above 50 °C, a higher temperature

than 50 °C will not be displayed.

●

The accuracy of the temperature

reading may be affected when

riding slowly (approximately under

20 km/h (12.5 mi/h)) or when

stopped at traffic signals, railroad

crossings, etc.

EAU12331

Anti-theft alarm (optional)

This model can be equipped with an

optional anti-theft alarm by a Yamaha

dealer. Contact a Yamaha dealer for

more information.

✦✧✯-✬-✲✦ ✬ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-10

EAU12348

Handlebar switches

Left

Right

EAU12360

Pass switch “PASS”

Press this switch to flash the headlight.

EAU12400

Dimmer switch “ / ”

Set this switch to “” for the high

beam and to “” for the low beam.

EAU12460

Turn signal switch “ / ”

To signal a right-hand turn, push this

switch to “”. To signal a left-hand

turn, push this switch to “”. When re-

leased, the switch returns to the center

position. To cancel the turn signal

lights, push the switch in after it has re-

turned to the center position.

EAU12500

Horn switch “”

Press this switch to sound the horn.

EAU12660

Engine stop switch “ / ”

Set this switch to “” before starting

the engine. Set this switch to “” to

stop the engine in case of an emergen-

cy, such as when the vehicle overturns

or when the throttle cable is stuck.

EAU12721

Start switch “”

With the sidestand up, push this switch

while applying the front or rear brake to

crank the engine with the starter. See

page 5-1 for starting instructions prior

to starting the engine.

EAU44710

The engine trouble warning light and

ABS warning light (ABS model only)

will come on when the key is turned to

“ON” and the start switch is pushed, but

1. Pass switch “PASS”

2. Dimmer switch “ / ”

3. Turn signal switch “ / ”

4. Horn switch “”

1. Engine stop switch “ / ”

2. Hazard switch “”

3. Start switch “”

✦✧✯-✬-✲✦ ✤✣ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-11

this does not indicate a malfunction.

EAU12733

Hazard switch “”

With the key in the “ON” or “” posi-

tion, use this switch to turn on the haz-

ard lights (simultaneous flashing of all

turn signal lights).

The hazard lights are used in case of

an emergency or to warn other drivers

when your vehicle is stopped where it

might be a traffic hazard.

NOTICE

ECA10061

Do not use the hazard lights for an

extended length of time with the en-

gine not running, otherwise the bat-

tery may discharge.

EAU44910

Front brake lever

The front brake lever is located at the

right handlebar grip. To apply the front

brake, pull this lever toward the handle-

bar grip.

The front brake lever is equipped with a

position adjusting dial. To adjust the

distance between the front brake lever

and the handlebar grip, turn the adjust-

ing dial while holding the front brake le-

ver pushed away from the handlebar

grip. Make sure that the appropriate

setting on the adjusting dial is aligned

with the “” mark on the front brake le-

ver.

1. Front brake lever

2. Brake lever position adjusting dial

3. “” mark

4. Distance between brake lever and

handlebar grip

✦✧✯-✬-✲✦ ✤✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-12

EAU44921

Rear brake lever

The rear brake lever is located at the

left handlebar grip. To apply the rear

brake, pull this lever toward the handle-

bar grip.

The rear brake lever is equipped with a

position adjusting dial. To adjust the

distance between the rear brake lever

and the handlebar grip, turn the adjust-

ing dial while holding the rear brake le-

ver pushed away from the handlebar

grip. Make sure that the appropriate

setting on the adjusting dial is aligned

with the “” mark on the rear brake le-

ver.

EAU12962

Rear brake lock lever

This vehicle is equipped with a rear

brake lock lever to prevent the rear

wheel from moving while stopped at

traffic signals, railroad crossings, etc.

To lock the rear wheel

Push the rear brake lock lever to the left

until it snaps into place.

To unlock the rear wheel

Push the rear brake lock lever back to

the original position.

TIP

●

Be sure to check that the rear

wheel does not move when the

1. Rear brake lever

2. Brake lever position adjusting dial

3. “” mark

4. Distance between brake lever and

handlebar grip

1. Rear brake lock lever

✦✧✯-✬-✲✦ ✤✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-13

rear brake lock lever is applied.

●

To provide secure locking of the

rear wheel, apply the rear brake le-

ver first before moving the rear

brake lock lever to the left.

WARNING

EWA12361

Never move the rear brake lock lever

to the left while the vehicle is mov-

ing, otherwise loss of control or an

accident may result. Make sure that

the vehicle is stopped before mov-

ing the rear brake lock lever to the

left.

EAU12995

ABS (for ABS models)

The Yamaha ABS (Anti-lock Brake

System) features a dual electronic con-

trol system, which acts on the front and

rear brakes independently. The ABS

securely controls wheel lockup during

emergency braking on changing road

surfaces and under various weather

conditions, thereby maximizing tire ad-

hesion and performance while provid-

ing a smooth braking action. The ABS

is monitored by an ECU, which will

have recourse to manual braking if a

malfunction occurs.

WARNING

EWA10090

●

The ABS performs best on long

braking distances.

●

On certain (rough or gravel)

roads, the braking distance may

be longer with than without the

ABS. Therefore, always keep a

sufficient distance to the vehi-

cle ahead to match the riding

speed.

TIP

●

The ABS performs a self-diagno-

sis test for a few seconds each

time the vehicle first starts off after

the key was turned to “ON”. During

this test, a “clicking” noise can be

heard from the front of the vehicle,

and if either brake lever is even

slightly applied, a vibration can be

felt at the lever, but these do not in-

dicate a malfunction.

●

When the ABS is activated, the

brakes are operated in the usual

way. A pulsating action may be felt

at the brake levers, but this does

not indicate a malfunction.

●

This ABS has a test mode which

allows the owner to experience the

pulsating at the brake levers when

the ABS is operating. However,

special tools are required, so

please consult your Yamaha deal-

er when performing this test.

NOTICE

ECA16120

Keep any type of magnets (including

magnetic pick-up tools, magnetic

screwdrivers, etc.) away from the

front and rear wheel hubs, otherwise

the magnetic rotors equipped in the

✦✧✯-✬-✲✦ ✤✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-14

wheel hubs may be damaged, result-

ing in improper performance of the

ABS system.

EAU13163

Fuel tank cap

To open the fuel tank cap

1. Open the lid by sliding the lever

forward, and then pull the lever up.

2. Insert the key into the lock and turn

it clockwise. The lock will be re-

leased and the fuel tank cap can

be removed.

To install the fuel tank cap

1. Align the match marks, insert the

fuel tank cap into the tank opening,

and then push down on the cap.

2. Turn the key counterclockwise to

1. Front wheel hub

1. Rear wheel hub

1. Lid

2. Opening lever

1. Fuel tank cap

1. Match marks

✦✧✯-✬-✲✦ ✤✧ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-15

the original position, and then re-

move it.

3. Close the lid.

WARNING

EWA11121

Be sure that the fuel tank cap is

properly installed and locked before

riding the scooter. Leaking fuel is a

fire hazard.

EAU13221

Fuel

Make sure there is sufficient gasoline in

the tank.

WARNING

EWA10881

Gasoline and gasoline vapors are

extremely flammable. To avoid fires

and explosions and to reduce the

risk of injury when refueling, follow

these instructions.

1. Before refueling, turn off the en-

gine and be sure that no one is sit-

ting on the vehicle. Never refuel

while smoking, or while in the vi-

cinity of sparks, open flames, or

other sources of ignition such as

the pilot lights of water heaters and

clothes dryers.

2. Do not overfill the fuel tank. When

refueling, be sure to insert the

pump nozzle into the fuel tank filler

hole. Stop filling when the fuel

reaches the bottom of the filler

tube. Because fuel expands when

it heats up, heat from the engine or

the sun can cause fuel to spill out

of the fuel tank.

3. Wipe up any spilled fuel immedi-

ately.

NOTICE:

Immediately wipe

off spilled fuel with a clean, dry,

soft cloth, since fuel may deteri-

orate painted surfaces or plastic

parts.

[ECA10071]

4. Be sure to securely close the fuel

tank cap.

WARNING

EWA15151

Gasoline is poisonous and can

cause injury or death. Handle gaso-

line with care. Never siphon gaso-

line by mouth. If you should swallow

some gasoline or inhale a lot of gas-

oline vapor, or get some gasoline in

1. Fuel tank ﬁller tube

2. Maximum fuel level

✦✧✯-✬-✲✦ ✤★ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-16

your eyes, see your doctor immedi-

ately. If gasoline spills on your skin,

wash with soap and water. If gaso-

line spills on your clothing, change

your clothes.

EAU33520

NOTICE

ECA11400

Use only unleaded gasoline. The use

of leaded gasoline will cause severe

damage to internal engine parts,

such as the valves and piston rings,

as well as to the exhaust system.

Your Yamaha engine has been de-

signed to use regular unleaded gaso-

line with a research octane number of

91 or higher. If knocking (or pinging) oc-

curs, use a gasoline of a different brand

or premium unleaded fuel. Use of un-

leaded fuel will extend spark plug life

and reduce maintenance costs.

EAU13445

Catalytic converters

This vehicle is equipped with catalytic

converters in the exhaust system.

WARNING

EWA10862

The exhaust system is hot after op-

eration. To prevent a fire hazard or

burns:

●

Do not park the vehicle near

possible fire hazards such as

grass or other materials that

easily burn.

●

Park the vehicle in a place

where pedestrians or children

are not likely to touch the hot

exhaust system.

●

Make sure that the exhaust sys-

tem has cooled down before do-

ing any maintenance work.

●

Do not allow the engine to idle

more than a few minutes. Long

idling can cause a build-up of

heat.

NOTICE

ECA10701

Use only unleaded gasoline. The use

of leaded gasoline will cause unre-

Recommended fuel:

REGULAR UNLEADED GASOLINE

ONLY

Fuel tank capacity:

14.0 L (3.70 US gal, 3.08 Imp.gal)

✦✧✯-✬-✲✦ ✤✩ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-17

pairable damage to the catalytic

converter.

EAU34140

Seats

Rider seat

To open the rider seat

1. Place the scooter on the center-

stand.

2. Insert the key into the main switch,

and then turn it counterclockwise.

TIP

Do not push inward when turning the

key.

3. Fold the rider seat up.

1. Rider seat

2. Passenger seat

1. Open.

1. Rider seat

✦✧✯-✬-✲✦ ✤✪ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-18

To close the rider seat

1. Fold the rider seat down, and then

push it down to lock it in place.

2. Remove the key from the main

switch if the scooter will be left un-

attended.

TIP

Make sure that the rider seat is properly

secured before riding.

Passenger seat

To remove the passenger seat

1. Open the rider seat.

2. Remove the bolt, and then pull the

passenger seat forward.

To install the passenger seat

1. Insert the projections on the pas-

senger seat into the holders as

shown, place the passenger seat

in the original position, and then in-

stall the bolt.

2. Close the rider seat.

TIP

Make sure that the passenger seat is

properly secured before riding.

EAU34150

Adjusting the rider seat

The rider seat can be adjusted as fol-

lows to change the riding position.

1. Open the rider seat. (See

page 3-17.)

2. Remove the bolts.

1. Passenger seat

2. Bolt

1. Passenger seat

2. Seat holder

1. Rider seat

✦✧✯-✬-✲✦ ✤✫ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-19

3. Slide the rider seat forward or

backward to the desired position.

4. Install bolts and securely tighten

them.

5. Close the rider seat.

EAU14494

Storage compartments

Front storage compartment A

To open the storage compartment

when it is locked, insert the key in the

lock, turn it counterclockwise, and then

grasp the lock while pushing the button

in.

To open the storage compartment

when it is unlocked, simply grasp the

lock while pushing the button in.

To lock the storage compartment, push

the lid into the original position, insert

the key in the lock, turn it clockwise,

and then remove it.

Front storage compartment B

To open the storage compartment,

slide the lever up, and then pull on the

lever.

1. Bolt

1. Open.

2. Button

3. Lid

1. Lock.

2. Lid

✦✧✯-✬-✲✦ ✤✬ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-20

To close the storage compartment,

push the lid into the original position.

WARNING! Do not store heavy items

in this compartment.

[EWA11161]

Rear storage compartment

Two helmets can be stored in the stor-

age compartment under the seats.

(See page 3-17.)

NOTICE

ECA10080

Keep the following points in mind

when using the storage compart-

ment.

●

Since the storage compartment

accumulates heat when ex-

posed to the sun, do not store

anything susceptible to heat in-

side it.

●

To avoid humidity from spread-

ing through the storage com-

partment, wrap wet articles in a

plastic bag before storing them

in the compartment.

●

Since the storage compartment

may get wet while the scooter is

being washed, wrap any articles

stored in the compartment in a

plastic bag.

●

Do not keep anything valuable

or breakable in the storage com-

partment.

NOTICE

ECA11100

Do not leave the rider seat open for

an extended period of time, other-

wise the light may cause the battery

to discharge.

WARNING

EWA11171

Do not exceed the following loading

limits:

●

Front storage compartment

A: 2 kg (4 lb)

●

Rear storage compartment: 5 kg

(11 lb)

●

Maximum load for the vehicle:

YP400 188 kg (414 lb)

YP400A 185 kg (408 lb)

1. Storage compartment opening lever

2. Lid

1. Rider seat

✦✧✯-✬-✲✦ ✥✣ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-21

EAU14892

Adjusting the shock absorber

assemblies

WARNING

EWA10210

Always adjust both shock absorber

assemblies equally, otherwise poor

handling and loss of stability may

result.

Each shock absorber assembly is

equipped with a spring preload adjust-

ing ring.

NOTICE

ECA10101

To avoid damaging the mechanism,

do not attempt to turn beyond the

maximum or minimum settings.

Adjust the spring preload as follows.

To increase the spring preload and

thereby harden the suspension, turn

the adjusting ring on each shock ab-

sorber assembly in direction (a). To de-

crease the spring preload and thereby

soften the suspension, turn the adjust-

ing ring on each shock absorber as-

sembly in direction (b).

●

Align the appropriate notch in the

adjusting ring with the position in-

dicator on the shock absorber.

●

Use the spring preload adjusting

tool included in the owner’s tool kit

to make this adjustment.

EAU15304

Sidestand

The sidestand is located on the left side

of the frame. Raise the sidestand or

lower it with your foot while holding the

vehicle upright.

TIP

The built-in sidestand switch is part of

the ignition circuit cut-off system, which

cuts the ignition in certain situations.

(See page 3-22 for an explanation of

the ignition circuit cut-off system.)

WARNING

EWA10241

The vehicle must not be ridden with

the sidestand down, or if the side-

stand cannot be properly moved up

(or does not stay up), otherwise the

sidestand could contact the ground

and distract the operator, resulting

in a possible loss of control.

Yamaha’s ignition circuit cut-off

system has been designed to assist

the operator in fulfilling the respon-

sibility of raising the sidestand be-

fore starting off. Therefore, check

this system regularly and have a

Yamaha dealer repair it if it does not

1. Spring preload adjusting ring

2. Position indicator

3. Spring preload adjusting tool

Spring preload setting:

Minimum (soft):

Standard:

Maximum (hard):

(b)

(a)

✦✧✯-✬-✲✦ ✥✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-22

function properly.

EAU45051

Ignition circuit cut-off system

The ignition circuit cut-off system (com-

prising the sidestand switch and brake

light switches) has the following func-

tions.

●

It prevents starting when the side-

stand is up, but neither brake is ap-

plied.

●

It prevents starting when either

brake is applied, but the sidestand

is still down.

●

It cuts the running engine when the

sidestand is moved down.

Periodically check the operation of the

ignition circuit cut-off system according

to the following procedure.

✦✧✯-✬-✲✦ ✥✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INSTRUMENT AND CONTROL FUNCTIONS

3-23

With the engine turned off:

1. Move the sidestand down.

2. Make sure that the engine stop switch is turned on.

3. Turn the key on.

4. Keep the front or rear brake applied.

5. Push the start switch.

Does the engine start?

With the engine still off:

6. Move the sidestand up.

7. Keep the front or rear brake applied.

8. Push the start switch.

Does the engine start?

With the engine still running:

9. Move the sidestand down.

Does the engine stall?

The system is OK. The scooter can be ridden.

The sidestand switch may not be working correctly.

The scooter should not be ridden until

checked by a Yamaha dealer.

The brake switch may not be working correctly.

The scooter should not be ridden until

checked by a Yamaha dealer.

The sidestand switch may not be working correctly.

The scooter should not be ridden until

checked by a Yamaha dealer.

YES NO

NO YES

If a malfunction is noted, have a Yamaha

dealer check the system before riding.

WARNING

✦✧✯-✬-✲✦ ✥✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

4-1

FOR YOUR SAFETY – PRE-OPERATION CHECKS

EAU15596

Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection

and maintenance procedures and schedules described in the Owner’s Manual.

WARNING

EWA11151

Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage.

Do not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures provided in

this manual, have the vehicle inspected by a Yamaha dealer.

Before using this vehicle, check the following points:

ITEM CHECKS PAGE

Fuel

• Check fuel level in fuel tank.

• Refuel if necessary.

• Check fuel line for leakage.

3-15

Engine oil

• Check oil level in engine.

• If necessary, add recommended oil to speciﬁed level.

• Check vehicle for oil leakage.

6-12

Final transmission oil

• Check vehicle for oil leakage. 6-15

Coolant

• Check coolant level in reservoir.

• If necessary, add recommended coolant to speciﬁed level.

• Check cooling system for leakage.

6-16

Front brake

• Check operation.

• If soft or spongy, have Yamaha dealer bleed hydraulic system.

• Check brake pads for wear.

• Replace if necessary.

• Check ﬂuid level in reservoir.

• If necessary, add recommended brake ﬂuid to speciﬁed level.

• Check hydraulic system for leakage.

6-23, 6-24, 6-25

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

FOR YOUR SAFETY – PRE-OPERATION CHECKS

4-2

Rear brake

• Check operation.

• If soft or spongy, have Yamaha dealer bleed hydraulic system.

• Check brake pads for wear.

• Replace if necessary.

• Check ﬂuid level in reservoir.

• If necessary, add recommended brake ﬂuid to speciﬁed level.

• Check hydraulic system for leakage.

6-23, 6-24, 6-25

Throttle grip

• Make sure that operation is smooth.

• Check throttle grip free play.

• If necessary, have Yamaha dealer adjust throttle grip free play and lubricate

cable and grip housing.

6-20, 6-27

Wheels and tires

• Check for damage.

• Check tire condition and tread depth.

• Check air pressure.

• Correct if necessary.

6-21, 6-22

Brake levers

• Make sure that operation is smooth.

• Lubricate lever pivoting points if necessary.

6-27

Centerstand, sidestand

• Make sure that operation is smooth.

• Lubricate pivots if necessary.

6-28

Chassis fasteners

• Make sure that all nuts, bolts and screws are properly tightened.

• Tighten if necessary.

—

Instruments, lights, signals

and switches

• Check operation.

• Correct if necessary.

—

Sidestand switch

• Check operation of ignition circuit cut-off system.

• If system is not working correctly, have Yamaha dealer check vehicle.

3-21

ITEM CHECKS PAGE

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

5-1

OPERATION AND IMPORTANT RIDING POINTS

EAU15951

Read the Owner’s Manual carefully to

become familiar with all controls. If

there is a control or function you do not

understand, ask your Yamaha dealer.

WARNING

EWA10271

Failure to familiarize yourself with

the controls can lead to loss of con-

trol, which could cause an accident

or injury.

EAU48020

TIP

This model is equipped with a lean an-

gle sensor to stop the engine in case of

a turnover. In this case, the multi-func-

tion display indicates error code 30, but

this is not a malfunction. Turn the key to

“OFF” and then to “ON” to clear the er-

ror code. Failing to do so will prevent

the engine from starting even though

the engine will crank when pushing the

start switch.

EAU36515

Starting the engine

NOTICE

ECA10250

See page 5-4 for engine break-in in-

structions prior to operating the ve-

hicle for the first time.

In order for the ignition circuit cut-off

system to enable starting, the side-

stand must be up.

See page 3-22 for more information.

1. Turn the key to “ON” and make

sure that the engine stop switch is

set to “”.

The following warning lights, indi-

cator light and indicators should

come on for a few seconds, then

go off.

●

Engine trouble warning light

●

ABS warning light (for ABS mod-

els)

●

Immobilizer system indicator light

●

V-belt replacement indicator

●

Oil change indicator

NOTICE

ECA15024

If a warning light, indicator light or

indicator does not go off, see pages

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

OPERATION AND IMPORTANT RIDING POINTS

5-2

3-3, 3-5, 3-7 or 3-8 for the corre-

sponding warning light, indicator

light or indicator circuit check.

2. Close the throttle completely.

3. Start the engine by pushing the

start switch while applying the front

or rear brake.

If the engine does not start, re-

lease the start switch, wait a few

seconds, and then try again. Each

starting attempt should be as short

as possible to preserve the bat-

tery. Do not crank the engine more

than 10 seconds on any one at-

tempt.

NOTICE

ECA11042

For maximum engine life, never ac-

celerate hard when the engine is

cold!

EAU45091

Starting off

1. While pulling the rear brake lever

with your left hand and holding the

grab bar with your right hand, push

the scooter off the centerstand.

2. Sit astride the seat, and then ad-

just the rear view mirrors.

3. Switch the turn signals on.

4. Check for oncoming traffic, and

then slowly turn the throttle grip (on

the right) in order to take off.

5. Switch the turn signals off.

EAU16780

Acceleration and deceleration

The speed can be adjusted by opening

and closing the throttle. To increase the

speed, turn the throttle grip in direction

(a). To reduce the speed, turn the throt-

tle grip in direction (b).

1. Grab bar

(a)

(b)

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

OPERATION AND IMPORTANT RIDING POINTS

5-3

EAU16793

Braking

WARNING

EWA10300

●

Avoid braking hard or suddenly

(especially when leaning over to

one side), otherwise the scooter

may skid or overturn.

●

Railroad crossings, streetcar

rails, iron plates on road con-

struction sites, and manhole

covers become extremely slip-

pery when wet. Therefore, slow

down when approaching such

areas and cross them with cau-

tion.

●

Keep in mind that braking on a

wet road is much more difficult.

●

Ride slowly down a hill, as brak-

ing downhill can be very diffi-

cult.

1. Close the throttle completely.

2. Apply both front and rear brakes

simultaneously while gradually in-

creasing the pressure.

Front

Rear

EAU16820

Tips for reducing fuel

consumption

Fuel consumption depends largely on

your riding style. Consider the following

tips to reduce fuel consumption:

●

Avoid high engine speeds during

acceleration.

●

Avoid high engine speeds with no

load on the engine.

●

Turn the engine off instead of let-

ting it idle for an extended length of

time (e.g., in traffic jams, at traffic

lights or at railroad crossings).

✦✧✯-✬-✲✦ ✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

OPERATION AND IMPORTANT RIDING POINTS

5-4

EAU16841

Engine break-in

There is never a more important period

in the life of your engine than the period

between 0 and 1600 km (1000 mi). For

this reason, you should read the follow-

ing material carefully.

Since the engine is brand new, do not

put an excessive load on it for the first

1600 km (1000 mi). The various parts in

the engine wear and polish themselves

to the correct operating clearances.

During this period, prolonged full-throt-

tle operation or any condition that might

result in engine overheating must be

avoided.

EAU34321

0–1000 km (0–600 mi)

Avoid prolonged operation above

4000 r/min.

NOTICE:

After 1000 km

(600 mi) of operation, be sure to re-

place the engine oil, final transmis-

sion oil and the oil filter

element.

[ECA12931]

1000–1600 km (600–1000 mi)

Avoid prolonged operation above

6000 r/min.

1600 km (1000 mi) and beyond

The vehicle can now be operated nor-

mally.

NOTICE

ECA10310

●

Keep the engine speed out of

the tachometer red zone.

●

If any engine trouble should oc-

cur during the engine break-in

period, immediately have a

Yamaha dealer check the vehi-

cle.

EAU17213

Parking

When parking, stop the engine, and

then remove the key from the main

switch.

WARNING

EWA10311

●

Since the engine and exhaust

system can become very hot,

park in a place where pedestri-

ans or children are not likely to

touch them and be burned.

●

Do not park on a slope or on soft

ground, otherwise the vehicle

may overturn, increasing the

risk of a fuel leak and fire.

●

Do not park near grass or other

flammable materials which

might catch fire.

✦✧✯-✬-✲✦ ✧ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

6-1

PERIODIC MAINTENANCE AND ADJUSTMENT

EAU17243

Periodic inspection, adjustment, and lu-

brication will keep your vehicle in the

safest and most efficient condition pos-

sible. Safety is an obligation of the vehi-

cle owner/operator. The most important

points of vehicle inspection, adjust-

ment, and lubrication are explained on

the following pages.

The intervals given in the periodic

maintenance charts should be simply

considered as a general guide under

normal riding conditions. However, de-

pending on the weather, terrain, geo-

graphical location, and individual use,

the maintenance intervals may need to

be shortened.

WARNING

EWA10321

Failure to properly maintain the ve-

hicle or performing maintenance

activities incorrectly may increase

your risk of injury or death during

service or while using the vehicle.

If you are not familiar with vehicle

service, have a Yamaha dealer per-

form service.

WARNING

EWA15121

Turn off the engine when perform-

ing maintenance unless otherwise

specified.

●

A running engine has moving

parts that can catch on body

parts or clothing and electrical

parts that can cause shocks or

fires.

●

Running the engine while ser-

vicing can lead to eye injury,

burns, fire, or carbon monoxide

poisoning – possibly leading to

death. See page 1-1 for more in-

formation about carbon monox-

ide.

WARNING

EWA15460

Brake discs, calipers, drums, and

linings can become very hot during

use. To avoid possible burns, let

brake components cool before

touching them.

EAU17302

Emission controls not only function to

ensure cleaner air, but are also vital to

proper engine operation and maximum

performance. In the following periodic

maintenance charts, the services relat-

ed to emissions control are grouped

separately. These services require

specialized data, knowledge, and

equipment. Maintenance, replacement,

or repair of the emission control devic-

es and systems may be performed by

any repair establishment or individual

that is certified (if applicable). Yamaha

dealers are trained and equipped to

perform these particular services.

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-2

EAU17502

Owner’s tool kit

The owner’s tool kit is located inside the

rear storage compartment. (See

page 3-19.)

Pull up the storage compartment mat,

and then remove the owner’s tool kit.

The service information included in this

manual and the tools provided in the

owner’s tool kit are intended to assist

you in the performance of preventive

maintenance and minor repairs. How-

ever, additional tools such as a torque

wrench may be necessary to perform

certain maintenance work correctly.

TIP

If you do not have the tools or experi-

ence required for a particular job, have

a Yamaha dealer perform it for you.

1. Storage compartment mat

2. Owner’s tool kit

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-3

EAU46861

TIP

●

The annual checks must be performed every year, except if a kilometer-based maintenance, or for the UK, a

mileage-based maintenance, is performed instead.

●

From 50000 km (30000 mi), repeat the maintenance intervals starting from 10000 km (6000 mi).

●

Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical

skills.

EAU46910

Periodic maintenance chart for the emission control system

NO. ITEM CHECK OR MAINTENANCE JOB

ODOMETER READING

ANNUAL

CHECK

1000 km

(600 mi)

10000 km

(6000 mi)

20000 km

(12000 mi)

30000 km

(18000 mi)

40000 km

(24000 mi)

Fuel line

• Check fuel hoses for cracks or

damage.

√√√√√

Spark plug

• Check condition.

• Clean and regap.

√√

• Replace.

√√

Valves

• Check valve clearance.

• Adjust.

Every 40000 km (24000 mi)

Fuel injection

• Check engine idle speed.

√√√√√√

Air induction

system

• Check the air cut-off valve, reed

valve, and hose for damage.

• Replace any damaged parts if

necessary.

√√√√√

✦✧✯-✬-✲✦ ✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-4

EAU1770C

General maintenance and lubrication chart

NO. ITEM CHECK OR MAINTENANCE JOB

ODOMETER READING

ANNUAL

CHECK

1000 km

(600 mi)

10000 km

(6000 mi)

20000 km

(12000 mi)

30000 km

(18000 mi)

40000 km

(24000 mi)

Air ﬁlter elements

• Replace.

√√

V-belt case air ﬁlter

element

• Clean.

√√√√

Front brake

• Check operation, ﬂuid level and

vehicle for ﬂuid leakage.

√√√√√√

• Replace brake pads. Whenever worn to the limit

Rear brake

• Check operation, ﬂuid level and

vehicle for ﬂuid leakage.

√√√√√√

• Replace brake pads. Whenever worn to the limit

Brake hoses

• Check for cracks or damage.

• Check for correct routing and

clamping.

√√√√√

• Replace. Every 4 years

Rear brake lock

• Check operation.

• Adjust.

√√√√√√

Wheels

• Check runout and for damage.

√√√√

Tires

• Check tread depth and for

damage.

• Replace if necessary.

• Check air pressure.

• Correct if necessary.

√√√√√

Wheel bearings

• Check bearing for looseness or

damage.

√√√√

10 *

Steering bearings

• Check bearing play and steering

for roughness.

√√√√√

• Lubricate with

lithium-soap-based grease.

Every 20000 km (12000 mi)

✦✧✯-✬-✲✦ ✧ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-5

11 *

Chassis fasteners

• Make sure that all nuts, bolts

and screws are properly

tightened.

√√√√√

Front brake lever

pivot shaft

• Lubricate with silicone grease.

√√√√√

Rear brake lever

pivot shaft

• Lubricate with silicone grease.

√√√√√

Sidestand,

centerstand

• Check operation.

• Lubricate with

lithium-soap-based grease.

√√√√√

15 *

Sidestand switch

• Check operation.

√√√√√√

16 *

Front fork

• Check operation and for oil

leakage.

√√√√

17 *

Shock absorber

assemblies

• Check operation and shock

absorbers for oil leakage.

√√√√

Engine oil

• Change. (See pages 3-5 and

6-12.)

√

When the oil change indicator ﬂashes

• Check oil level and vehicle for oil

leakage.

Every 5000 km (3000 mi)

√

Engine oil ﬁlter

element

• Replace.

√√√

20 *

Cooling system

• Check coolant level and vehicle

for coolant leakage.

√√√√√

• Change. Every 3 years

Final transmission

oil

• Check vehicle for oil leakage.

√√ √

• Change.

√√√√√√

22 *

V-belt

• Replace. When the V-belt replacement indicator ﬂashes [every 20000 km (12000 mi)]

23 *

Front and rear

brake switches

• Check operation.

√√√√√√

NO. ITEM CHECK OR MAINTENANCE JOB

ODOMETER READING

ANNUAL

CHECK

1000 km

(600 mi)

10000 km

(6000 mi)

20000 km

(12000 mi)

30000 km

(18000 mi)

40000 km

(24000 mi)

✦✧✯-✬-✲✦ ★ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-6

EAU34491

TIP

●

Engine air filters and V-belt air filter

• This model’s engine air filters are equipped with disposable oil-coated paper elements, which must not be cleaned

with compressed air to avoid damaging them.

• The engine air filter elements need to be replaced and the V-belt air filter element needs to be serviced more frequent-

ly when riding in unusually wet or dusty areas.

●

Hydraulic brake service

• Regularly check and, if necessary, correct the brake fluid level.

• Every two years replace the internal components of the brake master cylinders and calipers, and change the brake

fluid.

• Replace the brake hoses every four years and if cracked or damaged.

Moving parts and

cables

• Lubricate.

√√√√√

25 *

Throttle grip

• Check operation.

• Check throttle grip free play, and

adjust if necessary.

• Lubricate cable and grip

housing.

√√√√√

26 *

Lights, signals and

switches

• Check operation.

• Adjust headlight beam.

√√√√√√

NO. ITEM CHECK OR MAINTENANCE JOB

ODOMETER READING

ANNUAL

CHECK

1000 km

(600 mi)

10000 km

(6000 mi)

20000 km

(12000 mi)

30000 km

(18000 mi)

40000 km

(24000 mi)

✦✧✯-✬-✲✦ ✩ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-7

EAU18712

Removing and installing

cowlings and panels

The cowlings and panels shown need

to be removed to perform some of the

maintenance jobs described in this

chapter. Refer to this section each time

a cowling or panel needs to be re-

moved and installed.

EAU34282

Cowling A

To remove the cowling

1. Open the rider seat. (See

page 3-17.)

2. Remove the quick fasteners in the

rear storage compartment, and

then pull the cowling off as shown.

TIP

The quick fastener is removed by push-

ing the center pin in with a screwdriver,

and then pulling the fastener out.

To install the cowling

1. Place the cowling in the original

position, and then install the quick

fasteners.

TIP

To install the quick fastener, push the

center pin out so that it will protrude

from the fastener head, insert the fas-

tener into the cowling, and then push

the protruding pin in until it is flush with

the fastener head.

2. Close the rider seat.

1. Cowling C

2. Cowling A

3. Cowling B

4. Panel A

5. Cowling E

1 2 3

1. Cowling D

1. Quick fastener

2. Cowling A

✦✧✯-✬-✲✦ ✪ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-8

Cowling B

To remove the cowling

1. Remove the screws.

2. Remove the cowling as shown.

To install the cowling

Place the cowling in the original posi-

tion, and then install the screws.

Cowlings C and D

To remove one of the cowlings

1. Remove cowlings A and B.

2. Remove the passenger seat. (See

page 3-17.)

3. Remove the grab bar by removing

the grab bar bolts and collars.

4. Remove the screw access cover

by pulling it off.

5. Remove the screws, and then pull

the cowling off.

To install the cowling

1. Place the cowling in the original

position, and then install the

1. Cowling B

2. Screw

1. Cowling B

1. Grab bar bolt

2. Collar

3. Grab bar

1. Screw access cover

1. Screw

✦✧✯-✬-✲✦ ✫ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-9

screws.

2. Install the screw access cover by

placing it in its original position.

3. Install the grab bar by installing the

collars and grab bar bolts.

4. Install the passenger seat.

5. Install cowlings A and B.

Cowling E

To remove the cowling

1. Pull up the left floorboard mats as

shown.

2. Remove the cowling screws.

3. Pull the cowling down slightly, and

then pull it outward as shown.

To install the cowling

1. Insert the projections on the cowl-

ing into the slots as shown, and

then install the screws.

2. Place the left floorboard mats in

Tightening torque:

Grab bar bolt:

23 Nm (2.3 m·kgf, 16.6 ft·lbf)

1. Left ﬂoorboard mat

1. Screw

1. Cowling E

1. Projection

✦✧✯-✬-✲✦ ✬ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-10

the original position.

EAU47890

Panel A

To remove the panel

Remove the screws, and then pull the

panel outward.

To install the panel

Place the panel in the original position,

and then install the screws.

EAU34173

Checking the spark plug

The spark plug is an important engine

component, which is easy to check.

Since heat and deposits will cause any

spark plug to slowly erode, the spark

plug should be removed and checked

in accordance with the periodic mainte-

nance and lubrication chart. In addition,

the condition of the spark plug can re-

veal the condition of the engine.

To remove the spark plug

1. Open the rider seat. (See

page 3-17.)

2. Pull up the storage compartment

mat, and then remove the spark

plug cover by removing the

screws.

1. Panel A

2. Screw

1. Screw

2. Panel A

✦✧✯-✬-✲✦ ✤✣ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-11

3. Remove the spark plug cap.

4. Remove the spark plug as shown,

with the spark plug wrench includ-

ed in the owner’s tool kit.

To check the spark plug

1. Check that the porcelain insulator

around the center electrode of the

spark plug is a medium-to-light tan

(the ideal color when the vehicle is

ridden normally).

TIP

If the spark plug shows a distinctly dif-

ferent color, the engine could be oper-

ating improperly. Do not attempt to

diagnose such problems yourself. In-

stead, have a Yamaha dealer check

the vehicle.

2. Check the spark plug for electrode

erosion and excessive carbon or

other deposits, and replace it if

necessary.

3. Measure the spark plug gap with a

wire thickness gauge and, if nec-

essary, adjust the gap to specifica-

tion.

To install the spark plug

1. Clean the surface of the spark plug

gasket and its mating surface, and

then wipe off any grime from the

spark plug threads.

1. Storage compartment mat

2. Spark plug cover

3. Screw

1. Spark plug cap

1. Spark plug wrench

Specified spark plug:

NGK/CR7E

1. Spark plug gap

Spark plug gap:

0.7–0.8 mm (0.028–0.031 in)

✦✧✯-✬-✲✦ ✤✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-12

2. Install the spark plug with the

spark plug wrench, and then tight-

en it to the specified torque.

TIP

If a torque wrench is not available when

installing a spark plug, a good estimate

of the correct torque is 1/4–1/2 turn

past finger tight. However, the spark

plug should be tightened to the speci-

fied torque as soon as possible.

3. Install the spark plug cap.

TIP

Make sure the spark plug wire is fas-

tened in the clamp as shown.

4. Install the spark plug cover by in-

stalling the screws.

5. Place the storage compartment

mat in the original position.

6. Close the rider seat.

EAU34187

Engine oil and oil filter

element

The engine oil level should be checked

before each ride. In addition, the oil

must be changed and the oil filter ele-

ment replaced at the intervals specified

in the periodic maintenance and lubri-

cation chart and when the oil change in-

dicator comes on.

To check the engine oil level

1. Place the vehicle on the center-

stand. A slight tilt to the side can

result in a false reading.

2. Start the engine, warm it up for

several minutes, and then turn it

off.

3. Wait a few minutes until the oil set-

tles, remove the oil filler cap, wipe

the dipstick clean, insert it back

into the oil filler hole (without

screwing it in), and then remove it

again to check the oil level.

TIP

The engine oil should be between the

tip of the dipstick and the maximum lev-

el mark.

Tightening torque:

Spark plug:

13 Nm (1.3 m·kgf, 9.4 ft·lbf)

1. Spark plug cap

2. Spark plug wire clamp

3. Spark plug wire

✦✧✯-✬-✲✦ ✤✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-13

4. If the engine oil is not between the

tip of the dipstick and the maxi-

mum level mark, add sufficient oil

of the recommended type to raise

it to the correct level.

5. Insert the dipstick into the oil filler

hole, and then tighten the oil filler

cap.

To change the engine oil (with or

without oil filter element replace-

ment)

1. Place the vehicle on the center-

stand.

2. Start the engine, warm it up for

several minutes, and then turn it

off.

3. Place an oil pan under the engine

to collect the used oil.

4. Remove the engine oil filler cap,

the engine oil drain bolt and its

gasket to drain the oil from the

crankcase.

TIP

Skip steps 5–7 if the oil filter element is

not being replaced.

5. Remove the oil filter element cover

by removing the bolts.

NOTICE:

When removing the oil filter ele-

ment cover, the compression

spring will fall out. Take care not

to lose the compression

spring.

[ECA12911]

6. Remove and replace the oil filter

element and O-rings.

1. Engine oil ﬁller cap

2. Dipstick

3. Maximum level mark

4. Tip of the engine oil dipstick

1. Engine oil drain bolt

2. Gasket

1. Bolt

2. Oil ﬁlter element cover

✦✧✯-✬-✲✦ ✤✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-14

7. Install the compression spring and

oil filter element cover by installing

the bolts, then tightening them to

the specified torque.

TIP

Make sure that the O-rings are properly

seated.

8. Install the engine oil drain bolt and

its new gasket, and then tighten

the bolt to the specified torque.

9. Refill with the specified amount of

the recommended engine oil, and

then install and tighten the oil filler

cap.

TIP

Be sure to wipe off spilled oil on any

parts after the engine and exhaust sys-

tem have cooled down.

NOTICE

ECA11670

●

Do not use oils with a diesel

specification of “CD” or oils of a

higher quality than specified. In

addition, do not use oils labeled

“ENERGY CONSERVING II” or

higher.

●

Be sure no foreign material en-

ters the crankcase.

10. Start the engine, and then let it idle

for several minutes while checking

it for oil leakage. If oil is leaking, im-

mediately turn the engine off and

check for the cause.

11. Reset the oil change indicator ac-

cording to the following procedure.

To reset the oil change indicator

1. Turn the key to “ON”.

2. Hold the “OIL CHANGE” button

pushed for two to eight seconds.

3. Release the “OIL CHANGE” but-

1. Oil ﬁlter element cover

2. O-ring

3. Compression spring

4. Oil ﬁlter element

Tightening torque:

Oil filter element cover bolt:

10 Nm (1.0 m·kgf, 7.2 ft·lbf)

Tightening torque:

Engine oil drain bolt:

20 Nm (2.0 m·kgf, 14.5 ft·lbf)

Recommended engine oil:

See page 8-1.

Oil quantity:

Without oil filter element replace-

ment:

1.50 L (1.59 US qt, 1.32 Imp.qt)

With oil filter element replacement:

1.70 L (1.80 US qt, 1.50 Imp.qt)

1. “OIL CHANGE” button

✦✧✯-✬-✲✦ ✤✧ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-15

ton, and the oil change indicator

will go off.

TIP

If the engine oil is changed before the

oil change indicator comes on (i.e. be-

fore the periodic oil change interval has

been reached), the indicator must be

reset after the oil change for the next

periodic oil change to be indicated at

the correct time. To reset the oil change

indicator before the periodic oil change

interval has been reached, follow the

above procedure, but note that the indi-

cator will come on for 1.4 seconds after

releasing the “OIL CHANGE” button,

otherwise repeat the procedure.

EAU20065

Final transmission oil

The final transmission case must be

checked for oil leakage before each

ride. If any leakage is found, have a

Yamaha dealer check and repair the

scooter. In addition, the final transmis-

sion oil must be changed as follows at

the intervals specified in the periodic

maintenance and lubrication chart.

1. Start the engine, warm up the final

transmission oil by riding the

scooter for several minutes, and

then stop the engine.

2. Place the scooter on the center-

stand.

3. Place an oil pan under the final

transmission case to collect the

used oil.

4. Remove the final transmission oil

filler cap and its O-ring from the fi-

nal transmission case.

5. Remove the final transmission oil

drain bolt and its gasket to drain

the oil from the final transmission

case.

6. Install the final transmission oil

drain bolt and its new gasket, and

then tighten the bolt to the speci-

fied torque.

7. Refill with the specified amount of

the recommended final transmis-

sion oil.

WARNING! Make sure

that no foreign material enters

the final transmission case.

Make sure that no oil gets on the

1. Final transmission oil ﬁller cap

2. O-ring

3. Final transmission oil drain bolt

4. Gasket

Tightening torque:

Final transmission oil drain bolt:

20 Nm (2.0 m·kgf, 14.5 ft·lbf)

✦✧✯-✬-✲✦ ✤★ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-16

tire or wheel.

[EWA11311]

8. Install the final transmission oil fill-

er cap and its new O-ring, and then

tighten the oil filler cap.

9. Check the final transmission case

for oil leakage. If oil is leaking,

check for the cause.

EAU20070

Coolant

The coolant level should be checked

before each ride. In addition, the cool-

ant must be changed at the intervals

specified in the periodic maintenance

and lubrication chart.

EAU34193

To check the coolant level

1. Place the vehicle on a level sur-

face and hold it in an upright posi-

tion.

TIP

●

The coolant level must be checked

on a cold engine since the level

varies with engine temperature.

●

Make sure that the vehicle is posi-

tioned straight up when checking

the coolant level. A slight tilt to the

side can result in a false reading.

2. Pull up the right floorboard mat as

shown.

3. Remove the coolant reservoir cov-

er by removing the screw.

4. Check the coolant level in the cool-

ant reservoir.

Recommended final transmission

oil:

See page 8-1.

Oil quantity:

0.25 L (0.26 US qt, 0.22 Imp.qt)

1. Right ﬂoorboard mat

1. Screw

2. Coolant reservoir cover

✦✧✯-✬-✲✦ ✤✩ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-17

TIP

The coolant should be between the

minimum and maximum level marks.

5. If the coolant is at or below the

minimum level mark, open the

coolant reservoir cap, add coolant

to the maximum level mark, and

then close the coolant reservoir

cap.

WARNING! Remove only

the coolant reservoir cap. Never

attempt to remove the radiator

cap when the engine is

hot.

[EWA15161]

NOTICE:

If coolant is

not available, use distilled water

or soft tap water instead. Do not

use hard water or salt water

since it is harmful to the engine.

If water has been used instead

of coolant, replace it with cool-

ant as soon as possible, other-

wise the cooling system will not

be protected against frost and

corrosion. If water has been

added to the coolant, have a

Yamaha dealer check the anti-

freeze content of the coolant as

soon as possible, otherwise the

effectiveness of the coolant will

be reduced.

[ECA10472]

6. Install the coolant reservoir cover

by installing the screw.

7. Place the right floorboard mat in

the original position.

EAU34206

Air filter elements and check

hoses and V-belt case air filter

element

The air filter elements and the V-belt

case air filter element should be ser-

viced at the intervals specified in the

periodic maintenance and lubrication

chart. Service all air filter elements

more frequently if you are riding in un-

usually wet or dusty areas.

Replacing the air filter elements

1. Place the scooter on the center-

stand.

TIP

Continue as follows for each air filter el-

ement.

2. Remove the air filter case cover by

removing the rubber caps and

screws.

1. Minimum level mark

2. Maximum level mark

3. Coolant reservoir cap

Coolant reservoir capacity (up to the

maximum level mark):

0.32 L (0.34 US qt, 0.28 Imp.qt)

✦✧✯-✬-✲✦ ✤✪ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-18

Left

Right

3. Pull the air filter element out.

Left

Right

4. Insert a new air filter element into

the air filter case.

5. Install the air filter case cover by in-

stalling the screws.

NOTICE:

Make sure that each filter ele-

ment is properly seated in its

case. Always replace both air fil-

ter elements at the same time,

otherwise poor engine perfor-

mance or damage to the engine

may result. The engine should

never be operated without the

filter elements installed, other-

wise the piston(s) and/or cylin-

der(s) may become excessively

worn.

[ECA12923]

6. Install the rubber cap.

To clean the air filter check hoses

1. Check the hose at the bottom of

both air filter cases for accumulat-

ed dirt or water.

1. Screw

2. Air ﬁlter case cover

3. Rubber cap

1. Screw

2. Air ﬁlter case cover

3. Rubber cap

1. Air ﬁlter element

✦✧✯-✬-✲✦ ✤✫ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-19

Left

Right

2. If dirt or water is visible, remove

the hose, clean it, and then install

it.

Cleaning the V-belt case air filter el-

ement

1. Remove cowling E. (See

page 6-7.)

2. Remove panel A. (See page 6-7.)

3. Remove the left air filter case cov-

er.

4. Remove the V-belt air filter case

cover by removing the screws.

5. Remove the V-belt case air filter

element by removing the screws.

6. Lightly tap the V-belt case air filter

element to remove most of the

dust and dirt, and then blow out the

dirt with compressed air as shown.

7. Check the V-belt case air filter ele-

ment for damage and replace it if

1. Air ﬁlter check hose

1. Screw

2. V-belt air ﬁlter case cover

1. Screw

2. V-belt case air ﬁlter element

✦✧✯-✬-✲✦ ✤✬ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-20

necessary.

8. Install the V-belt case air filter ele-

ment by installing the screws.

NOTICE:

Make sure that the

V-belt filter element is properly

seated in its case.

[ECA12941]

9. Install the V-belt air filter case cov-

er by installing the screws.

10. Install the left air filter case cover.

11. Install the panel.

12. Install the cowling.

EAU21384

Checking the throttle grip free

play

The throttle grip free play should mea-

sure 3.0–5.0 mm (0.12–0.20 in) at the

inner edge of the throttle grip. Periodi-

cally check the throttle grip free play

and, if necessary, have a Yamaha

dealer adjust it.

EAU21401

Valve clearance

The valve clearance changes with use,

resulting in improper air-fuel mixture

and/or engine noise. To prevent this

from occurring, the valve clearance

must be adjusted by a Yamaha dealer

at the intervals specified in the periodic

maintenance and lubrication chart.

1. Throttle grip free play

✦✧✯-✬-✲✦ ✥✣ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-21

EAU21875

Tires

To maximize the performance, durabil-

ity, and safe operation of your vehicle,

note the following points regarding the

specified tires.

Tire air pressure

The tire air pressure should be checked

and, if necessary, adjusted before each

ride.

WARNING

EWA10503

Operation of this vehicle with im-

proper tire pressure may cause se-

vere injury or death from loss of

control.

●

The tire air pressure must be

checked and adjusted on cold

tires (i.e., when the temperature

of the tires equals the ambient

temperature).

●

The tire air pressure must be ad-

justed in accordance with the

riding speed and with the total

weight of rider, passenger, car-

go, and accessories approved

for this model.

WARNING

EWA10511

Never overload your vehicle. Opera-

tion of an overloaded vehicle could

cause an accident.

Tire inspection

The tires must be checked before each

ride. If the center tread depth reaches

the specified limit, if the tire has a nail or

glass fragments in it, or if the sidewall is

cracked, have a Yamaha dealer re-

place the tire immediately.

TIP

The tire tread depth limits may differ

from country to country. Always comply

with the local regulations.

Tire air pressure (measured on cold

tires):

0–90 kg (0–198 lb):

Front:

200 kPa (2.00 kgf/cm

, 29 psi)

Rear:

250 kPa (2.50 kgf/cm

, 36 psi)

YP400 90–188 kg (198–414 lb)

YP400A 90–185 kg (198–408 lb):

Front:

200 kPa (2.00 kgf/cm

, 29 psi)

Rear:

250 kPa (2.50 kgf/cm

, 36 psi)

Maximum load*:

YP400 188 kg (414 lb)

YP400A 185 kg (408 lb)

* Total weight of rider, passenger, car-

go and accessories

1. Tire sidewall

2. Tire tread depth

Minimum tire tread depth (front and

rear):

1.6 mm (0.06 in)

✦✧✯-✬-✲✦ ✥✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-22

Tire information

This model is equipped with tubeless

tires.

After extensive tests, only the tires list-

ed below have been approved for this

model by Yamaha Motor Co., Ltd.

WARNING

EWA10471

●

Have a Yamaha dealer replace

excessively worn tires. Besides

being illegal, operating the vehi-

cle with excessively worn tires

decreases riding stability and

can lead to loss of control.

●

The replacement of all wheel

and brake-related parts, includ-

ing the tires, should be left to a

Yamaha dealer, who has the

necessary professional knowl-

edge and experience to do so.

●

Ride at moderate speeds after

changing a tire since the tire

surface must first be “broken

in” for it to develop its optimal

characteristics.

EAU21994

Cast wheels

To maximize the performance, durabil-

ity, and safe operation of your vehicle,

note the following points regarding the

specified wheels.

●

The wheel rims should be checked

for cracks, bends, warpage or oth-

er damage before each ride. If any

damage is found, have a Yamaha

dealer replace the wheel. Do not

attempt even the smallest repair to

the wheel. A deformed or cracked

wheel must be replaced.

●

The wheel should be balanced

whenever either the tire or wheel

has been changed or replaced. An

unbalanced wheel can result in

poor performance, adverse han-

dling characteristics, and a short-

ened tire life.

●

After repairing or replacing the rear

tire, tighten the valve stem nut and

locknut to the specified torques.

Front tire:

Size:

120/80-14M/C 58S

Manufacturer/model:

IRC/MB67

DUNLOP/D305FL

Rear tire:

Size:

150/70-13M/C 64S

Manufacturer/model:

IRC/MB67

DUNLOP/D305L

✦✧✯-✬-✲✦ ✥✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-23

EAU50860

Checking the front and rear

brake lever free play

Front

Rear

There should be no free play at the

brake lever ends. If there is free play,

have a Yamaha dealer inspect the

brake system.

WARNING

EWA14211

A soft or spongy feeling in the brake

lever can indicate the presence of air

in the hydraulic system. If there is air

in the hydraulic system, have a

Yamaha dealer bleed the system be-

fore operating the vehicle. Air in the

hydraulic system will diminish the

braking performance, which may re-

sult in loss of control and an acci-

dent.

1. Valve stem nut

2. Valve stem locknut

Tightening torques:

Valve stem nut:

2.0 Nm (0.2 m·kgf, 1.4 ft·lbf)

Valve stem locknut:

3.0 Nm (0.3 m·kgf, 2.2 ft·lbf)

1. No brake lever free play

✦✧✯-✬-✲✦ ✥✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-24

EAU33473

Adjusting the rear brake lock

lever cable

Rear brake lock lever cable adjustment

may be required if the rear brake lock

lever does not hold properly. When the

rear brake lock lever is not in use, the

rear brake lock lever cable length

should measure 45 mm to 47 mm

(1.77 in to 1.85 in) at the rear brake cal-

iper. Periodically check the rear brake

lock lever cable length and, if neces-

sary, adjust it as follows.

To increase the rear brake lock lever

cable length, turn the adjusting nut at

the rear brake caliper in direction (a).

To decrease the rear brake lock lever

cable length, turn the adjusting nut in

direction (b).

WARNING

EWA10650

If proper adjustment cannot be ob-

tained as described, have a Yamaha

dealer make this adjustment.

EAU22392

Checking the front and rear

brake pads

The front and rear brake pads must be

checked for wear at the intervals spec-

ified in the periodic maintenance and

lubrication chart.

EAU22430

Front brake pads

Each front brake pad is provided with

wear indicator grooves, which allow

you to check the brake pad wear with-

out having to disassemble the brake.

To check the brake pad wear, check

the wear indicator grooves. If a brake

pad has worn to the point that the wear

1. Adjusting nut

2. Rear brake lock lever cable length

(b)

(a)

1. Wear indicator groove

✦✧✯-✬-✲✦ ✥✧ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-25

indicator grooves have almost disap-

peared, have a Yamaha dealer replace

the brake pads as a set.

EAU34210

Rear brake pads

Have a Yamaha dealer check each

rear brake pad for damage and mea-

sure the lining thickness and if neces-

sary, replace them as a set.

EAU40260

Checking the brake fluid level

Front brake

Rear brake

Insufficient brake fluid may allow air to

enter the brake system, possibly caus-

ing it to become ineffective.

Before riding, check that the brake fluid

is above the minimum level mark and

replenish if necessary. A low brake fluid

level may indicate worn brake pads

and/or brake system leakage. If the

brake fluid level is low, be sure to check

the brake pads for wear and the brake

system for leakage.

Observe these precautions:

●

When checking the fluid level,

make sure that the top of the brake

fluid reservoir is level.

●

Use only the recommended quality

brake fluid, otherwise the rubber

seals may deteriorate, causing

leakage and poor braking perfor-

mance.

●

Refill with the same type of brake

fluid. Mixing fluids may result in a

harmful chemical reaction and

lead to poor braking performance.

●

Be careful that water or dust does

not enter the brake fluid reservoir

when refilling. Water will signifi-

1. Minimum level mark

Recommended brake fluid:

DOT 4

✦✧✯-✬-✲✦ ✥★ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-26

cantly lower the boiling point of the

fluid and may result in vapor lock,

and dirt may clog the ABS hydrau-

lic unit valves.

●

Brake fluid may deteriorate paint-

ed surfaces or plastic parts. Al-

ways clean up spilled fluid

immediately.

●

As the brake pads wear, it is nor-

mal for the brake fluid level to grad-

ually go down. However, if the

brake fluid level goes down sud-

denly, have a Yamaha dealer

check the cause.

EAU22731

Changing the brake fluid

Have a Yamaha dealer change the

brake fluid at the intervals specified in

the TIP after the periodic maintenance

and lubrication chart. In addition, have

the oil seals of the master cylinders and

calipers as well as the brake hoses re-

placed at the intervals listed below or

whenever they are damaged or leak-

ing.

●

Oil seals: Replace every two

years.

●

Brake hoses: Replace every four

years.

EAU23095

Checking and lubricating the

cables

The operation of all control cables and

the condition of the cables should be

checked before each ride, and the ca-

bles and cable ends should be lubricat-

ed if necessary. If a cable is damaged

or does not move smoothly, have a

Yamaha dealer check or replace it.

WARNING! Damage to the outer

housing of cables may result in in-

ternal rusting and cause interfer-

ence with cable movement. Replace

damaged cables as soon as possi-

ble to prevent unsafe condi-

tions.

[EWA10711]

Recommended lubricant:

Yamaha Chain and Cable Lube or

engine oil

✦✧✯-✬-✲✦ ✥✩ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-27

EAU23114

Checking and lubricating the

throttle grip and cable

The operation of the throttle grip should

be checked before each ride. In addi-

tion, the cable should be lubricated by a

Yamaha dealer at the intervals speci-

fied in the periodic maintenance chart.

The throttle cable is equipped with a

rubber cover. Make sure that the cover

is securely installed. Even though the

cover is installed correctly, it does not

completely protect the cable from water

entry. Therefore, use care not to pour

water directly onto the cover or cable

when washing the vehicle. If the cable

or cover becomes dirty, wipe clean with

a moist cloth.

EAU23172

Lubricating the front and rear

brake levers

Front brake lever

Rear brake lever

The pivoting points of the front and rear

brake levers must be lubricated at the

intervals specified in the periodic main-

tenance and lubrication chart.

Recommended lubricant:

Silicone grease

✦✧✯-✬-✲✦ ✥✪ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-28

EAU23213

Checking and lubricating the

centerstand and sidestand

The operation of the centerstand and

sidestand should be checked before

each ride, and the pivots and met-

al-to-metal contact surfaces should be

lubricated if necessary.

WARNING

EWA10741

If the centerstand or sidestand does

not move up and down smoothly,

have a Yamaha dealer check or re-

pair it. Otherwise, the centerstand or

sidestand could contact the ground

and distract the operator, resulting

in a possible loss of control.

EAU23272

Checking the front fork

The condition and operation of the front

fork must be checked as follows at the

intervals specified in the periodic main-

tenance and lubrication chart.

To check the condition

Check the inner tubes for scratches,

damage and excessive oil leakage.

To check the operation

1. Place the vehicle on a level sur-

face and hold it in an upright posi-

tion.

WARNING! To avoid injury,

securely support the vehicle so

there is no danger of it falling

over.

[EWA10751]

2. While applying the front brake,

push down hard on the handlebars

several times to check if the front

fork compresses and rebounds

smoothly.

Recommended lubricant:

Lithium-soap-based grease

✦✧✯-✬-✲✦ ✥✫ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-29

NOTICE

ECA10590

If any damage is found or the front

fork does not operate smoothly,

have a Yamaha dealer check or re-

pair it.

EAU45511

Checking the steering

Worn or loose steering bearings may

cause danger. Therefore, the operation

of the steering must be checked as fol-

lows at the intervals specified in the pe-

riodic maintenance and lubrication

chart.

1. Place the vehicle on the center-

stand.

WARNING! To avoid inju-

ry, securely support the vehicle

so there is no danger of it falling

over.

[EWA10751]

2. Hold the lower ends of the front

fork legs and try to move them for-

ward and backward. If any free

play can be felt, have a Yamaha

dealer check or repair the steering.

EAU23291

Checking the wheel bearings

The front and rear wheel bearings must

be checked at the intervals specified in

the periodic maintenance and lubrica-

tion chart. If there is play in the wheel

hub or if the wheel does not turn

smoothly, have a Yamaha dealer check

the wheel bearings.

✦✧✯-✬-✲✦ ✥✬ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-30

EAU34225

Battery

The battery is located behind cowling

A. (See page 6-7.)

This model is equipped with a VRLA

(Valve Regulated Lead Acid) battery.

There is no need to check the electro-

lyte or to add distilled water. However,

the battery lead connections need to be

checked and, if necessary, tightened.

WARNING

EWA10760

●

Electrolyte is poisonous and

dangerous since it contains sul-

furic acid, which causes severe

burns. Avoid any contact with

skin, eyes or clothing and al-

ways shield your eyes when

working near batteries. In case

of contact, administer the fol-

lowing FIRST AID.

• EXTERNAL: Flush with plenty

of water.

• INTERNAL: Drink large quan-

tities of water or milk and im-

mediately call a physician.

• EYES: Flush with water for 15

minutes and seek prompt

medical attention.

●

Batteries produce explosive hy-

drogen gas. Therefore, keep

sparks, flames, cigarettes, etc.,

away from the battery and pro-

vide sufficient ventilation when

charging it in an enclosed

space.

●

KEEP THIS AND ALL BATTER-

IES OUT OF THE REACH OF

CHILDREN.

To charge the battery

Have a Yamaha dealer charge the bat-

tery as soon as possible if it seems to

have discharged. Keep in mind that the

battery tends to discharge more quickly

if the vehicle is equipped with optional

electrical accessories.

NOTICE

ECA16521

To charge a VRLA (Valve Regulated

Lead Acid) battery, a special (con-

stant-voltage) battery charger is re-

quired. Using a conventional battery

charger will damage the battery.

To store the battery

1. If the vehicle will not be used for

more than one month, remove the

battery, fully charge it, and then

place it in a cool, dry place.

NOTICE:

When removing the

battery, be sure the key is

turned to “OFF”, then discon-

nect the negative lead before

disconnecting the positive

lead.

[ECA16302]

2. If the battery will be stored for more

than two months, check it at least

once a month and fully charge it if

necessary.

3. Fully charge the battery before in-

1. Negative battery lead (black)

2. Battery

3. Positive battery lead (red)

✦✧✯-✬-✲✦ ✦✣ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-31

stallation.

NOTICE:

When install-

ing the battery, be sure the key

is turned to “OFF”, then con-

nect the positive lead before

connecting the negative

lead.

[ECA16840]

4. After installation, make sure that

the battery leads are properly con-

nected to the battery terminals.

NOTICE

ECA16530

Always keep the battery charged.

Storing a discharged battery can

cause permanent battery damage.

EAU48671

Replacing the fuses

The main fuse and the fuse box, which

contains the fuses for the individual cir-

cuits, are located behind cowling A.

(See page 6-7.)

If a fuse is blown, replace it as follows.

1. Turn the key to “OFF” and turn off

the electrical circuit in question.

2. Remove the blown fuse, and then

install a new fuse of the specified

amperage.

WARNING! Do not

use a fuse of a higher amperage

rating than recommended to

avoid causing extensive dam-

age to the electrical system and

possibly a fire.

[EWA15131]

For YP400

1. Spare main fuse

2. Main fuse

3. Hazard fuse

1. Fuse box

13 2

✦✧✯-✬-✲✦ ✦✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-32

For YP400 For YP400A

For YP400A

1. Ignition fuse

2. Signaling system fuse

3. Headlight fuse

4. Radiator fan fuse

5. Backup fuse (for clock and rear storage

compartment light)

6. Fuel injection system fuse

7. Spare fuse

1. Spare main fuse

2. Main fuse

3. Hazard fuse

4. ABS control unit fuse

5. ABS solenoid fuse

6. ABS motor fuse

1. Fuse box

13 2456

1. Ignition fuse

2. Signaling system fuse

3. Headlight fuse

4. Radiator fan fuse

5. Backup fuse (for clock and rear storage

compartment light)

6. Fuel injection system fuse

7. Spare fuse

✦✧✯-✬-✲✦ ✦✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-33

3. Turn the key to “ON” and turn on

the electrical circuit in question to

check if the device operates.

4. If the fuse immediately blows

again, have a Yamaha dealer

check the electrical system.

EAU34241

Replacing a headlight bulb

This model is equipped with halogen

bulb headlights. If a headlight bulb

burns out, have a Yamaha dealer re-

place it and, if necessary, adjust the

headlight beam.

EAU24181

Tail/brake light

This model is equipped with an

LED-type tail/brake light.

If the tail/brake light does not come on,

have a Yamaha dealer check it.

Specified fuses:

Main fuse:

40.0 A

Ignition fuse:

10.0 A

Signaling system fuse:

10.0 A

Headlight fuse:

20.0 A

Hazard fuse:

10.0 A

Radiator fan fuse:

10.0 A

Fuel injection system fuse:

10.0 A

ABS control unit fuse:

YP400A 10.0 A

ABS motor fuse:

YP400A 30.0 A

ABS solenoid fuse:

YP400A 20.0 A

Backup fuse:

10.0 A

✦✧✯-✬-✲✦ ✦✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-34

EAU39880

Front turn signal light

If a front turn signal light does not come

on, have a Yamaha dealer check its

electrical circuit or replace the bulb.

EAU34263

Replacing a rear turn signal

light bulb

1. Place the scooter on the center-

stand.

2. Remove cowling C for replacing

the left turn signal light bulb or

cowling D for replacing the right

turn signal light bulb. (See

page 6-7.)

3. Remove the socket (together with

the turn signal light bulb) by turning

it counterclockwise.

4. Remove the burnt-out bulb by

pushing it in and turning it counter-

clockwise.

5. Insert a new bulb into the socket,

push it in, and then turn it clock-

wise until it stops.

6. Install the socket (together with the

bulb) by turning it clockwise.

7. Install the cowling removed.

1. Turn signal light bulb socket

1. Turn signal light bulb

2. Turn signal light bulb socket

✦✧✯-✬-✲✦ ✦✧ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-35

EAU47900

Replacing the license plate

light bulb

1. Place the scooter on the center-

stand.

2. Remove cowling B. (See

page 6-7.)

3. Remove the license plate light cov-

er and license plate light lens by

removing the screws.

4. Remove the burnt-out bulb by pull-

ing it out.

5. Insert a new bulb into the socket.

6. Install the license plate light lens

and license plate light cover by in-

stalling the screws.

7. Install the cowling.

EAU39020

Auxiliary light bulb

If the auxiliary light does not come on,

have a Yamaha dealer check the elec-

trical circuit or replace the bulb.

1. License plate light lens

2. License plate light cover

3. Screw

1. License plate light bulb

✦✧✯-✬-✲✦ ✦★ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-36

EAU25881

Troubleshooting

Although Yamaha scooters receive a

thorough inspection before shipment

from the factory, trouble may occur dur-

ing operation. Any problem in the fuel,

compression, or ignition systems, for

example, can cause poor starting and

loss of power.

The following troubleshooting charts

represent quick and easy procedures

for checking these vital systems your-

self. However, should your scooter re-

quire any repair, take it to a Yamaha

dealer, whose skilled technicians have

the necessary tools, experience, and

know-how to service the scooter prop-

erly.

Use only genuine Yamaha replace-

ment parts. Imitation parts may look like

Yamaha parts, but they are often inferi-

or, have a shorter service life and can

lead to expensive repair bills.

WARNING

EWA15141

When checking the fuel system, do

not smoke, and make sure there are

no open flames or sparks in the ar-

ea, including pilot lights from water

heaters or furnaces. Gasoline or

gasoline vapors can ignite or ex-

plode, causing severe injury or

property damage.

✦✧✯-✬-✲✦ ✦✩ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-37

EAU42702

Troubleshooting charts

Starting problems or poor engine performance

Check the fuel level in

the fuel tank.

1. Fuel

There is enough fuel.

There is no fuel.

Check the compression.

Supply fuel.

The engine does not start.

Check the compression.

Operate the electric starter.

2. Compression

There is compression.

There is no compression.

Check the ignition.

Have a Yamaha dealer

check the vehicle.

Remove the spark plug

and check the electrodes.

3. Ignition

Wipe off with a dry cloth and correct the

spark plug gap, or replace the spark plug.

Have a Yamaha dealer check the vehicle.

The engine does not start.

Have a Yamaha dealer

check the vehicle.

The engine does not start.

Check the battery.

Operate the electric starter.

4. Battery

The engine turns over

quickly.

The engine turns over

slowly.

The battery is good.

Dry

Wet

Operate the electric starter.

Check the battery lead connections,

and have a Yamaha dealer charge

the battery if necessary.

✦✧✯-✬-✲✦ ✦✪ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

PERIODIC MAINTENANCE AND ADJUSTMENT

6-38

Engine overheating

WARNING

EWAT1040

●

Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be

blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled.

●

Place a thick rag, like a towel, over the radiator cap, and then slowly rotate the cap counterclockwise to the de-

tent to allow any residual pressure to escape. When the hissing sound has stopped, press down on the cap

while turning it counterclockwise, and then remove the cap.

TIP

If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended coolant

as soon as possible.

Wait until the

engine has cooled.

Check the coolant level in the

reservoir and radiator.

The coolant level

is OK.

The coolant level is low.

Check the cooling system

for leakage.

Have a Yamaha dealer check

and repair the cooling system.

Add coolant. (See TIP.)

Start the engine. If the engine overheats again, have a

Yamaha dealer check

and repair the cooling system.

There is

leakage.

There is

no leakage.

✦✧✯-✬-✲✦ ✦✫ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

7-1

SCOOTER CARE AND STORAGE

EAU37833

Matte color caution

NOTICE

ECA15192

Some models are equipped with

matte colored finished parts. Be

sure to consult a Yamaha dealer for

advice on what products to use be-

fore cleaning the vehicle. Using a

brush, harsh chemical products or

cleaning compounds when clean-

ing these parts will scratch or dam-

age their surface. Wax also should

not be applied to any matte colored

finished parts.

EAU26094

Care

While the open design of a scooter re-

veals the attractiveness of the technol-

ogy, it also makes it more vulnerable.

Rust and corrosion can develop even if

high-quality components are used. A

rusty exhaust pipe may go unnoticed

on a car, however, it detracts from the

overall appearance of a scooter. Fre-

quent and proper care does not only

comply with the terms of the warranty,

but it will also keep your scooter looking

good, extend its life and optimize its

performance.

Before cleaning

1. Cover the muffler outlet with a

plastic bag after the engine has

cooled down.

2. Make sure that all caps and covers

as well as all electrical couplers

and connectors, including the

spark plug cap, are tightly in-

stalled.

3. Remove extremely stubborn dirt,

like oil burnt onto the crankcase,

with a degreasing agent and a

brush, but never apply such prod-

ucts onto seals, gaskets and wheel

axles. Always rinse the dirt and de-

greaser off with water.

Cleaning

NOTICE

ECA10783

●

Avoid using strong acidic

wheel cleaners, especially on

spoked wheels. If such prod-

ucts are used on hard-to-re-

move dirt, do not leave the

cleaner on the affected area

any longer than instructed. Al-

so, thoroughly rinse the area

off with water, immediately dry

it, and then apply a corrosion

protection spray.

●

Improper cleaning can damage

plastic parts (such as cowl-

ings, panels, windshields,

headlight lenses, meter lens-

es, etc.) and the mufflers. Use

only a soft, clean cloth or

sponge with water to clean

plastic. However, if the plastic

parts cannot be thoroughly

cleaned with water, diluted

mild detergent with water may

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

SCOOTER CARE AND STORAGE

7-2

be used. Be sure to rinse off any

detergent residue using plenty

of water, as it is harmful to plas-

tic parts.

●

Do not use any harsh chemical

products on plastic parts. Be

sure to avoid using cloths or

sponges which have been in

contact with strong or abrasive

cleaning products, solvent or

thinner, fuel (gasoline), rust re-

movers or inhibitors, brake flu-

id, antifreeze or electrolyte.

●

Do not use high-pressure wash-

ers or steam-jet cleaners since

they cause water seepage and

deterioration in the following ar-

eas: seals (of wheel and swing-

arm bearings, fork and brakes),

electric components (couplers,

connectors, instruments,

switches and lights), breather

hoses and vents.

●

For scooters equipped with a

windshield: Do not use strong

cleaners or hard sponges as

they will cause dulling or

scratching. Some cleaning com-

pounds for plastic may leave

scratches on the windshield.

Test the product on a small hid-

den part of the windshield to

make sure that it does not leave

any marks. If the windshield is

scratched, use a quality plastic

polishing compound after

washing.

After normal use

Remove dirt with warm water, a mild

detergent, and a soft, clean sponge,

and then rinse thoroughly with clean

water. Use a toothbrush or bottlebrush

for hard-to-reach areas. Stubborn dirt

and insects will come off more easily if

the area is covered with a wet cloth for

a few minutes before cleaning.

After riding in the rain, near the sea or

on salt-sprayed roads

Since sea salt or salt sprayed on the

roads during winter are extremely cor-

rosive in combination with water, carry

out the following steps after each ride in

the rain, near the sea or on

salt-sprayed roads.

TIP

Salt sprayed on roads in the winter may

remain well into spring.

1. Clean the scooter with cold water

and a mild detergent after the en-

gine has cooled down.

NOTICE:

Do not use warm water since it

increases the corrosive action

of the salt.

[ECA10791]

2. Apply a corrosion protection spray

on all metal, including chrome- and

nickel-plated, surfaces to prevent

corrosion.

After cleaning

1. Dry the scooter with a chamois or

an absorbing cloth.

2. Use a chrome polish to shine

chrome, aluminum and stain-

less-steel parts, including the ex-

haust system. (Even the thermally

induced discoloring of stain-

less-steel exhaust systems can be

removed through polishing.)

3. To prevent corrosion, it is recom-

mended to apply a corrosion pro-

tection spray on all metal,

including chrome- and nickel-plat-

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

SCOOTER CARE AND STORAGE

7-3

ed, surfaces.

4. Use spray oil as a universal clean-

er to remove any remaining dirt.

5. Touch up minor paint damage

caused by stones, etc.

6. Wax all painted surfaces.

7. Let the scooter dry completely be-

fore storing or covering it.

WARNING

EWA10942

Contaminants on the brakes or tires

can cause loss of control.

●

Make sure that there is no oil or

wax on the brakes or tires. If

necessary, clean the brake

discs and brake linings with a

regular brake disc cleaner or ac-

etone, and wash the tires with

warm water and a mild deter-

gent.

●

Before operating the scooter

test its braking performance

and cornering behavior.

NOTICE

ECA10800

●

Apply spray oil and wax spar-

ingly and make sure to wipe off

any excess.

●

Never apply oil or wax to any

rubber and plastic parts, but

treat them with a suitable care

product.

●

Avoid using abrasive polishing

compounds as they will wear

away the paint.

TIP

●

Consult a Yamaha dealer for ad-

vice on what products to use.

●

Washing, rainy weather or humid

climates can cause the headlight

lens to fog. Turning the headlight

on for a short period of time will

help remove the moisture from the

lens.

EAU36563

Storage

Short-term

Always store your scooter in a cool, dry

place and, if necessary, protect it

against dust with a porous cover. Be

sure the engine and the exhaust sys-

tem are cool before covering the

scooter.

NOTICE

ECA10820

●

Storing the scooter in a poorly

ventilated room or covering it

with a tarp, while it is still wet,

will allow water and humidity to

seep in and cause rust.

●

To prevent corrosion, avoid

damp cellars, stables (because

of the presence of ammonia)

and areas where strong chemi-

cals are stored.

Long-term

Before storing your scooter for several

months:

1. Follow all the instructions in the

“Care” section of this chapter.

✦✧✯-✬-✲✦ ✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

SCOOTER CARE AND STORAGE

7-4

2. Fill up the fuel tank and add fuel

stabilizer (if available) to prevent

the fuel tank from rusting and the

fuel from deteriorating.

3. Perform the following steps to pro-

tect the cylinder, piston rings, etc.

from corrosion.

a. Remove the spark plug cap

and spark plug.

b. Pour a teaspoonful of engine oil

into the spark plug bore.

c. Install the spark plug cap onto

the spark plug, and then place

the spark plug on the cylinder

head so that the electrodes are

grounded. (This will limit spark-

ing during the next step.)

d. Turn the engine over several

times with the starter. (This will

coat the cylinder wall with oil.)

e. Remove the spark plug cap

from the spark plug, and then

install the spark plug and the

spark plug cap.

WARNING! To

prevent damage or injury

from sparking, make sure to

ground the spark plug elec-

trodes while turning the en-

gine over.

[EWA10951]

4. Lubricate all control cables and the

pivoting points of all levers and

pedals as well as of the sidestand/

centerstand.

5. Check and, if necessary, correct

the tire air pressure, and then lift

the scooter so that both of its

wheels are off the ground. Alterna-

tively, turn the wheels a little every

month in order to prevent the tires

from becoming degraded in one

spot.

6. Cover the muffler outlet with a

plastic bag to prevent moisture

from entering it.

7. Remove the battery and fully

charge it. Store it in a cool, dry

place and charge it once a month.

Do not store the battery in an ex-

cessively cold or warm place

[less than 0 °C (30 °F) or more

than 30 °C (90 °F)]. For more in-

formation on storing the battery,

see page 6-30.

TIP

Make any necessary repairs before

storing the scooter.

✦✧✯-✬-✲✦ ✧ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

8-1

SPECIFICATIONS

EAU2633Z

Dimensions:

Overall length:

2230 mm (87.8 in)

Overall width:

780 mm (30.7 in)

Overall height:

1380 mm (54.3 in)

Seat height:

760 mm (29.9 in)

Wheelbase:

1565 mm (61.6 in)

Ground clearance:

120 mm (4.72 in)

Minimum turning radius:

2600 mm (102.4 in)

Weight:

Curb weight:

YP400 220 kg (485 lb)

YP400A 223 kg (492 lb)

Engine:

Engine type:

Liquid cooled 4-stroke, DOHC

Cylinder arrangement:

Single cylinder

Displacement:

395 cm

Bore

stroke:

83.0

73.0 mm (3.27

2.87 in)

Compression ratio:

10.60 :1

Starting system:

Electric starter

Lubrication system:

Wet sump

Engine oil:

Recommended brand:

YAMALUBE

Type:

SAE 10W-30, 10W-40, 10W-50, 15W-40,

20W-40 or 20W-50

Recommended engine oil grade:

API service SG type or higher, JASO stan-

dard MA

Engine oil quantity:

Without oil filter element replacement:

1.50 L (1.59 US qt, 1.32 Imp.qt)

With oil filter element replacement:

1.70 L (1.80 US qt, 1.50 Imp.qt)

Final transmission oil:

Type:

YAMALUBE 10W-40 or SAE 10W-30 type

SE motor oil

Quantity:

0.25 L (0.26 US qt, 0.22 Imp.qt)

Cooling system:

Coolant reservoir capacity (up to the maxi-

mum level mark):

0.32 L (0.34 US qt, 0.28 Imp.qt)

Radiator capacity (including all routes):

1.57 L (1.66 US qt, 1.38 Imp.qt)

Air filter:

Air filter element:

Oil-coated paper element

Fuel:

Recommended fuel:

Regular unleaded gasoline only

Fuel tank capacity:

14.0 L (3.70 US gal, 3.08 Imp.gal)

Fuel injection:

Throttle body:

ID mark:

5RUG 20

Spark plug(s):

Manufacturer/model:

NGK/CR7E

Spark plug gap:

0.7–0.8 mm (0.028–0.031 in)

Clutch:

Clutch type:

Dry, centrifugal automatic

Transmission:

Primary reduction ratio:

1.000

Final drive:

Gear

Secondary reduction ratio:

6.643 (31/14 x 42/14)

-20 -10 0

20 30

50 ˚C

SAE 10W-30

SAE 15W-40

SAE 20W-40

SAE 20W-50

SAE 10W-40

SAE 10W-50

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

SPECIFICATIONS

8-2

Transmission type:

V-belt automatic

Chassis:

Frame type:

Backbone

Caster angle:

27.00 °

Trail:

100 mm (3.9 in)

Front tire:

Type:

Tubeless

Size:

120/80-14M/C 58S

Manufacturer/model:

IRC/MB67

Manufacturer/model:

DUNLOP/D305FL

Rear tire:

Type:

Tubeless

Size:

150/70-13M/C 64S

Manufacturer/model:

IRC/MB67

Manufacturer/model:

DUNLOP/D305L

Loading:

Maximum load:

YP400 188 kg (414 lb)

YP400A 185 kg (408 lb)

* (Total weight of rider, passenger, cargo

and accessories)

Tire air pressure (measured on cold

tires):

Loading condition:

0–90 kg (0–198 lb)

Front:

200 kPa (2.00 kgf/cm

, 29 psi)

Rear:

250 kPa (2.50 kgf/cm

, 36 psi)

Loading condition:

YP400 90–188 kg (198–414 lb)

YP400A 90–185 kg (198–408 lb)

Front:

200 kPa (2.00 kgf/cm

, 29 psi)

Rear:

250 kPa (2.50 kgf/cm

, 36 psi)

Front wheel:

Wheel type:

Cast wheel

Rim size:

14M/C x MT3.00

Rear wheel:

Wheel type:

Cast wheel

Rim size:

13M/C x MT4.00

Front brake:

Type:

Dual disc brake

Operation:

Right hand operation

Recommended fluid:

DOT 4

Rear brake:

Type:

Single disc brake

Operation:

Left hand operation

Recommended fluid:

DOT 4

Front suspension:

Type:

Telescopic fork

Spring/shock absorber type:

Coil spring/oil damper

Wheel travel:

120.0 mm (4.72 in)

Rear suspension:

Type:

Unit swing

Spring/shock absorber type:

Coil spring/oil damper

Wheel travel:

104.0 mm (4.09 in)

Electrical system:

Ignition system:

TCI

Charging system:

AC magneto

Battery:

Model:

GT9B-4

Voltage, capacity:

12 V, 8.0 Ah

Headlight:

Bulb type:

Halogen bulb

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

SPECIFICATIONS

8-3

Bulb voltage, wattage

××

quantity:

Headlight:

12 V, 60 W/55 W

Headlight:

12 V, 55 W

Tail/brake light:

LED

Front turn signal light:

12 V, 21.0 W

Rear turn signal light:

12 V, 21.0 W

Auxiliary light:

12 V, 5.0 W

License plate light:

12 V, 5.0 W

Meter lighting:

12 V, 2.0 W

High beam indicator light:

12 V, 1.4 W

Turn signal indicator light:

12 V, 1.4 W

Engine trouble warning light:

12 V, 1.4 W

ABS warning light:

YP400A 12 V, 1.4 W

Immobilizer system indicator light:

LED

Fuses:

Main fuse:

40.0 A

Headlight fuse:

20.0 A

Signaling system fuse:

10.0 A

Ignition fuse:

10.0 A

Radiator fan fuse:

10.0 A

Hazard fuse:

10.0 A

Fuel injection system fuse:

10.0 A

ABS control unit fuse:

YP400A 10.0 A

ABS motor fuse:

YP400A 30.0 A

ABS solenoid fuse:

YP400A 20.0 A

Backup fuse:

10.0 A

✦✧✯-✬-✲✦ ✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

9-1

CONSUMER INFORMATION

EAU48611

Identification numbers

Record the vehicle identification num-

ber and model label information in the

spaces provided below for assistance

when ordering spare parts from a

Yamaha dealer or for reference in case

the vehicle is stolen.

VEHICLE IDENTIFICATION

NUMBER:

MODEL LABEL INFORMATION:

EAU26410

Vehicle identification number

The vehicle identification number is

stamped into the frame.

TIP

The vehicle identification number is

used to identify your vehicle and may

be used to register it with the licensing

authority in your area.

EAU26500

Model label

The model label is affixed to the inside

of the rear storage compartment. (See

page 3-19.) Record the information on

this label in the space provided. This in-

formation will be needed when ordering

spare parts from a Yamaha dealer.

1. Vehicle identiﬁcation number

1. Model label

✦✧✯-✬-✲✦ ✤ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INDEX

ABS (for ABS models) .............................3-13

ABS warning light (for ABS models)..........3-4

Acceleration and deceleration ...................5-2

Air filter elements and check hoses

and V-belt case air filter element...........6-17

Anti-theft alarm (optional) ..........................3-9

Auxiliary light bulb....................................6-35

Battery .....................................................6-30

Brake fluid, changing ...............................6-26

Brake fluid level, checking .......................6-25

Brake lever, front .....................................3-11

Brake lever, rear ......................................3-12

Brake levers, lubricating ..........................6-27

Braking ......................................................5-3

Cables, checking and lubricating.............6-26

Care...........................................................7-1

Catalytic converters .................................3-16

Centerstand and sidestand, checking

and lubricating .......................................6-28

Coolant ....................................................6-16

Cowlings and panels, removing and

installing ..................................................6-7

Dimmer switch .........................................3-10

Engine break-in .........................................5-4

Engine oil and oil filter element................6-12

Engine stop switch...................................3-10

Engine trouble warning light ......................3-3

Final transmission oil ...............................6-15

Front and rear brake lever free play,

checking................................................ 6-23

Front and rear brake pads, checking....... 6-24

Front fork, checking................................. 6-28

Front turn signal light............................... 6-34

Fuel .........................................................3-15

Fuel consumption, tips for reducing ..........5-3

Fuel tank cap........................................... 3-14

Fuses, replacing ...................................... 6-31

Handlebar switches ................................. 3-10

Hazard switch.......................................... 3-11

Headlight bulb, replacing......................... 6-33

High beam indicator light........................... 3-3

Horn switch.............................................. 3-10

Identification numbers ............................... 9-1

Ignition circuit cut-off system ................... 3-22

Immobilizer system.................................... 3-1

Immobilizer system indicator light .............3-4

Indicator and warning lights....................... 3-3

License plate light bulb, replacing ........... 6-35

Main switch/steering lock ..........................3-2

Maintenance and lubrication, periodic....... 6-4

Maintenance, emission control system .....6-3

Matte color, caution ................................... 7-1

Model label ................................................ 9-1

Multi-function display................................. 3-5

Parking ...................................................... 5-4

Part locations............................................. 2-1

Pass switch .............................................3-10

Rear brake lock lever .............................. 3-12

Rear brake lock lever cable, adjusting .... 6-24

Rider seat, adjusting ............................... 3-18

Safe-riding points ...................................... 1-5

Safety information ..................................... 1-1

Seats....................................................... 3-17

Shock absorber assemblies,

adjusting ............................................... 3-21

Sidestand ................................................ 3-21

Spark plug, checking............................... 6-10

Specifications............................................ 8-1

Speedometer ............................................ 3-5

Starting off................................................. 5-2

Starting the engine.................................... 5-1

Start switch ............................................. 3-10

Steering, checking .................................. 6-29

Storage ..................................................... 7-3

Storage compartments............................ 3-19

Tachometer............................................... 3-5

Tail/brake light......................................... 6-33

Throttle grip and cable, checking and

lubricating ............................................. 6-27

Throttle grip free play, checking.............. 6-20

Tires ........................................................ 6-21

Tool kit ...................................................... 6-2

Troubleshooting ...................................... 6-36

Troubleshooting charts ........................... 6-37

Turn signal indicator lights ........................ 3-3

Turn signal light bulb (rear), replacing .... 6-34

Turn signal switch ................................... 3-10

✦✧✯-✬-✲✦ ✥ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

INDEX

Valve clearance ...................................... 6-20

Vehicle identification number .................... 9-1

Wheel bearings, checking....................... 6-29

Wheels .................................................... 6-22

✦✧✯-✬-✲✦ ✦ ₻̯₥ ※̸›̸ΰ⁁※‽]ῌYϐ]ῌ‾※※_

✦✧✯✲✦❉❖✥✦ ✥  

PRINTED ON RECYCLED PAPER

YAMAHA MOTOR CO., LTD.

PRINTED IN JAPAN

2010.09–0.1×1 !

(E)

PRINTED ON RECYCLED PAPER

YAMAHA MOTOR CO., LTD.

PRINTED IN JAPAN

2010.09–0.1×1 !

(E)

✦✧✯✲✦✰▲❆❍■✱✶✰✤✫✦ ✥  

Yamaha YP400A Handleiding

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