Yamaha SR400 Manuale utente

SR400

MOTORCYCLE

2RD-28199-E1

OWNER’S MANUAL

Read this manual carefully before oper-

ating this vehicle.

SR400

2RD-9-E1_hyoshi.indd 1 2015/09/16 13:46:32

QRead this manual carefully before operating this vehicle. This manual

should stay with this vehicle if it is sold.

EAU46091

2RD-9-E1_hyoshi.indd 2 2015/09/16 13:46:32

Introduction

EAU10103

Welcome to the Yamaha world of motorcycling!

As the owner of the SR400, 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 SR400. The Owner’s Manual does not only instruct you in how to operate,

inspect and maintain your motorcycle, 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 motorcycle in the

best possible condition. If you have any further questions, do not hesitate to con-

tact 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. There-

fore, while this manual contains the most current product information available at

the time of printing, there may be minor discrepancies between your motorcycle

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

Yamaha dealer.

WARNING

EWA10032

Please read this manual carefully and completely before operating this mo-

torcycle.

2RD-28199-E1.book 1 ページ２０１５年９月３日　木曜日　午後３時４２分

Important manual information

EAU63350

Particularly important information is distinguished in this manual by the following

notations:

*Product and specifications are subject to change without notice.

EAU10201

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 proce-

dures easier or clearer.

SR400

OWNER’S MANUAL

1st edition, August 2015

Any reprinting or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.

is expressly prohibited.

Printed in Japan.

WARNING

NOTICE

TIP

2RD-28199-E1.book 1 ページ２０１５年９月３日　木曜日　午後３時４２分

Table of contents

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

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

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

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

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

Instrument and control functions ... 3-1

Main switch/steering lock ................3-1

Indicator lights and warning lights ...3-2

Speedometer unit ............................3-3

Tachometer .....................................3-4

Handlebar switches .........................3-4

Clutch lever .....................................3-6

Shift pedal .......................................3-6

Brake lever ......................................3-7

Brake pedal .....................................3-7

Fuel tank cap...................................3-8

Fuel .................................................3-9

Fuel tank breather/overflow

hose ...........................................3-10

Catalytic converter.........................3-11

Fuel cock .......................................3-11

Kickstarter .....................................3-12

Decompression lever.....................3-12

Seat ...............................................3-13

Adjusting the shock absorber

assemblies .................................3-13

Sidestand ......................................3-14

Ignition circuit cut-off system .........3-15

For your safety – pre-operation

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

Operation and important riding

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

Starting the engine ..........................5-2

Starting trouble ................................5-3

Shifting ............................................5-3

Tips for reducing fuel

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

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

Parking ............................................5-6

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 the

panel............................................ 6-7

Checking the spark plug ................. 6-8

Engine oil and oil filter element ....... 6-9

Replacing the air filter element ..... 6-13

Checking the engine idling

speed......................................... 6-14

Checking the throttle grip free

play ............................................ 6-14

Valve clearance ............................ 6-15

Tires .............................................. 6-15

Spoke wheels................................ 6-17

Adjusting the clutch lever free

play ............................................ 6-18

Adjusting the brake lever free

play ............................................ 6-19

Adjusting the brake pedal height

and free play.............................. 6-20

Checking the shift pedal................ 6-21

Brake light switches ...................... 6-22

Checking the front brake pads

and rear brake shoes ................ 6-22

Checking the brake fluid level ....... 6-23

Changing the brake fluid .............. 6-24

Drive chain slack........................... 6-25

Cleaning and lubricating the drive

chain .......................................... 6-26

Checking and lubricating the

cables ........................................ 6-27

Checking and lubricating the

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

Checking and lubricating the

brake and clutch levers.............. 6-28

Checking and lubricating the

brake pedal................................ 6-28

Checking and lubricating the

centerstand and sidestand ........ 6-29

Lubricating the swingarm pivots.... 6-29

Checking the front fork.................. 6-30

2RD-28199-E1.book 1 ページ２０１５年９月３日　木曜日　午後３時４２分

Table of contents

Checking the steering....................6-30

Checking the wheel bearings ........6-31

Battery ...........................................6-31

Replacing the fuses .......................6-33

Replacing the headlight bulb .........6-35

Replacing the auxiliary light

bulb ...........................................6-36

Replacing the tail/brake light

bulb ............................................6-37

Replacing a turn signal light

bulb ............................................6-38

Front wheel....................................6-39

Rear wheel ....................................6-40

Troubleshooting.............................6-42

Troubleshooting chart....................6-43

Motorcycle care and storage ...........7-1

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

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

Storage ............................................7-4

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

Consumer information .....................9-1

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

Index.................................................10-1

2RD-28199-E1.book 2 ページ２０１５年９月３日　木曜日　午後３時４２分

1-1

Safety information

EAU1028B

Be a Responsible Owner

As the vehicle’s owner, you are respon-

sible for the safe and proper operation

of your motorcycle.

Motorcycles 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 motorcycle.

He or she should:

Obtain thorough instructions from

a competent source on all aspects

of motorcycle 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.

Never operate a motorcycle with-

out proper training or instruction.

Take a training course. Beginners

should receive training from a cer-

tified instructor. Contact an autho-

rized motorcycle dealer to find out

about the training courses nearest

you.

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 motorcycle is designed to car-

ry the operator and a passenger.

The failure of motorists to detect

and recognize motorcycles in traf-

fic is the predominating cause of

automobile/motorcycle accidents.

Many accidents have been caused

by an automobile driver who did

not see the motorcycle. Making

yourself conspicuous appears to

be very effective 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 motorcycle accidents

to occur.

• Ride where other motorists can

see you. Avoid riding in another

motorist’s blind spot.

• Never maintain a motorcycle

without proper knowledge. Con-

tact an authorized motorcycle

dealer to inform you on basic

motorcycle maintenance. Cer-

tain maintenance can only be

carried out by certified staff.

Many accidents involve inexperi-

enced operators. In fact, many op-

erators who have been involved in

accidents do not even have a cur-

rent motorcycle license.

• Make sure that you are qualified

and that you only lend your mo-

torcycle to other qualified opera-

tors.

• Know your skills and limits.

Staying within your limits may

2RD-28199-E1.book 1 ページ２０１５年９月３日　木曜日　午後３時４２分

Safety information

1-2

help you to avoid an accident.

• We recommend that you prac-

tice riding your motorcycle

where there is no traffic until you

have become thoroughly famil-

iar with the motorcycle and all of

its controls.

Many accidents have been caused

by error of the motorcycle opera-

tor. A typical error made by the op-

erator is veering wide on a turn due

to excessive speed or undercor-

nering (insufficient lean angle for

the speed).

• 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 motorcycle.

• 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 motorcycle is designed for on-

road use only. It is not suitable for

off-road use.

Protective Apparel

The majority of fatalities from motorcy-

cle accidents are the result of head in-

juries. 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, heavy boots,

trousers, gloves, etc., is effective in

preventing or reducing abrasions

or lacerations.

Never wear loose-fitting clothes,

otherwise they could catch on the

control levers, footrests, 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 pres-

ent even if you do not see or smell any

engine exhaust. Deadly levels of car-

bon monoxide can collect rapidly and

you can quickly be overcome and un-

able to save yourself. Also, deadly lev-

els of carbon monoxide can linger for

2RD-28199-E1.book 2 ページ２０１５年９月３日　木曜日　午後３時４２分

Safety information

1-3

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-

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

motorcycle can adversely affect stabili-

ty and handling if the weight distribution

of the motorcycle is changed. To avoid

the possibility of an accident, use ex-

treme caution when adding cargo or

accessories to your motorcycle. Use

extra care when riding a motorcycle

that has added cargo or accessories.

Here, along with the information about

accessories below, are some general

guidelines to follow if loading cargo to

your motorcycle:

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 motorcycle as possible. Se-

curely pack your heaviest items as

close to the center of the vehicle as

possible and make sure to distrib-

ute the weight as evenly as possi-

ble on both sides of the motorcycle

to minimize imbalance or instabili-

ty.

Shifting weights can create a sud-

den imbalance. Make sure that ac-

cessories and cargo are securely

attached to the motorcycle 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. These

items, including such cargo as

sleeping bags, duffel bags, or

tents, can create unstable han-

dling or a slow steering re-

sponse.

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.

Maximum load:

150 kg (331 lb)

2RD-28199-E1.book 3 ページ２０１５年９月３日　木曜日　午後３時４２分

Safety information

1-4

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

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 motorcycle. Care-

fully inspect the accessory before

using it to make sure that it does

not in any way reduce ground

clearance or cornering clearance,

limit suspension travel, steering

travel or control operation, or ob-

scure lights or reflectors.

• Accessories fitted to the handle-

bar or the front fork area can cre-

ate 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 motorcycle due to aerody-

namic effects. Wind may at-

tempt to lift the motorcycle, or

the motorcycle may become un-

stable in cross winds. These ac-

cessories 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 electrical

accessories. If electrical accesso-

ries exceed the capacity of the mo-

torcycle’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

motorcycle 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

2RD-28199-E1.book 4 ページ２０１５年９月３日　木曜日　午後３時４２分

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