Yamaha TW125 Manuale utente

5RS-28199-E2

TW125

PRINTED ON RECYCLED PAPER

YAMAHA MOTOR CO., LTD.

PRINTED IN JAPAN

2003.9–0.2×1 !

(E)

OWNER’S MANUAL

5RS-9-E2_hyoushi 9/4/03 9:23 AM Page 1

INTRODUCTION

EAU10100

Welcome to the Yamaha world of motorcycling!

As the owner of the TW125, 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 TW125. 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 oth-

ers 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 contact your Yamaha dealer.

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

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IMPORTANT MANUAL INFORMATION

EAU10150

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

NOTE:

●

This manual should be considered a permanent part of this motorcycle and should remain with it even if the motorcycle

is subsequently sold.

●

Yamaha continually seeks advancements in product design and quality. Therefore, 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 you have any questions concerning this manual, please consult your Yamaha dealer.

WARNING

EWA10030

PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING THIS MOTORCYCLE.

The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS

INVOLVED!

Failure to follow WARNING instructions could result in severe injury or death to the

motorcycle operator, a bystander, or a person inspecting or repairing the motorcy-

cle.

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

the motorcycle.

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

WARNING

CAUTION:

NOTE:

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IMPORTANT MANUAL INFORMATION

EAU10200

TW125

OWNER’S MANUAL

1st edition, August 2003

Any reprinting or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.

is expressly prohibited.

Printed in Japan.

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

Indicator lights ...........................3-1

Speedometer unit ......................3-2

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

Clutch lever ...............................3-4

Shift pedal .................................3-4

Brake lever ................................3-4

Brake pedal ...............................3-5

Fuel tank cap .............................3-5

Fuel ...........................................3-6

Fuel cock ...................................3-7

Starter (choke) knob “ ” ..........3-8

Steering lock .............................3-8

Seat ...........................................3-9

Helmet holder ............................3-9

Shock absorber .......................3-10

Carrier .....................................3-10

Luggage strap holders ............3-10

Sidestand ................................3-11

Ignition circuit cut-off system ...3-11

PRE-OPERATION CHECKS ........4-1

Pre-operation check list ............4-2

OPERATION AND IMPORTANT

RIDING POINTS ...........................5-1

Starting a cold engine ...............5-1

Starting a warm engine .............5-2

Shifting ......................................5-2

Tips for reducing fuel

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

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

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

PERIODIC MAINTENANCE AND

MINOR REPAIR............................6-1

Owner’s tool kit .........................6-1

Periodic maintenance and

lubrication chart .......................6-2

Removing and installing

panels .....................................6-5

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

Engine oil and oil filter

element ...................................6-7

Cleaning the air filter element

and check hose .....................6-10

Adjusting the carburetor ..........6-12

Adjusting the engine idling

speed .................................... 6-12

Adjusting the throttle cable free

play ....................................... 6-13

Adjusting the valve

clearance .............................. 6-13

Tires ........................................ 6-13

Spoke wheels .......................... 6-16

Adjusting the clutch lever free

play ....................................... 6-16

Adjusting the brake lever free

play ....................................... 6-17

Adjusting the brake pedal

position and free play ............ 6-18

Adjusting the rear brake light

switch .................................... 6-19

Checking the front brake pads

and rear brake shoes ............ 6-19

Checking the brake fluid

level ....................................... 6-20

Changing the brake fluid ......... 6-21

Drive chain slack ..................... 6-21

Lubricating the drive chain ...... 6-23

Checking and lubricating the

cables .................................... 6-23

Checking and lubricating the

throttle grip and cable ........... 6-24

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TABLE OF CONTENTS

Checking and lubricating the

brake and shift pedals ...........6-24

Checking and lubricating the

brake and clutch levers .........6-24

Checking and lubricating the

sidestand ...............................6-25

Lubricating the rear

suspension ............................6-25

Checking the front fork ............6-25

Checking the steering .............6-26

Checking the wheel

bearings ................................6-27

Battery .....................................6-27

Replacing the fuse ..................6-28

Replacing the headlight bulb ...6-29

Replacing the tail/brake light

bulb .......................................6-31

Replacing a turn signal light

bulb .......................................6-31

Supporting the motorcycle ......6-32

Front wheel .............................6-33

Rear wheel ..............................6-34

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

Troubleshooting chart .............6-37

MOTORCYCLE CARE AND

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

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

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

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

CONSUMER INFORMATION ....... 9-1

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

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1-1

SAFETY INFORMATION

EAU10310

MOTORCYCLES ARE SINGLE

TRACK VEHICLES. THEIR SAFE

USE AND OPERATION ARE DEPEN-

DENT UPON THE USE OF PROPER

RIDING TECHNIQUES AS WELL AS

THE EXPERTISE OF THE OPERA-

TOR. EVERY OPERATOR SHOULD

KNOW THE FOLLOWING REQUIRE-

MENTS BEFORE RIDING THIS MO-

TORCYCLE.

HE OR SHE SHOULD:

●

OBTAIN THOROUGH INSTRUC-

TIONS FROM A COMPETENT

SOURCE ON ALL ASPECTS OF

MOTORCYCLE OPERATION.

●

OBSERVE THE WARNINGS

AND MAINTENANCE REQUIRE-

MENTS IN THE OWNER’S MAN-

UAL.

●

OBTAIN QUALIFIED TRAINING

IN SAFE AND PROPER RIDING

TECHNIQUES.

●

OBTAIN PROFESSIONAL TECH-

NICAL SERVICE AS INDICATED

BY THE OWNER’S MANUAL

AND/OR WHEN MADE NECES-

SARY BY MECHANICAL CONDI-

TIONS.

Safe riding

●

Always make pre-operation

checks. Careful checks may help

prevent an accident.

●

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 ap-

proaching and passing through

intersections, since intersec-

tions are the most likely places

for motorcycle accidents to oc-

cur.

●

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 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

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

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SAFETY INFORMATION

1-2

undercornering (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.

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.

●

Never touch the engine or exhaust

system during or after operation.

They become very hot and can

cause burns. Always wear protec-

tive clothing that covers your legs,

ankles, and feet.

●

Passengers should also observe

the precautions mentioned above.

Modifications

Modifications made to this motorcycle

not approved by Yamaha, or the re-

moval of original equipment, may ren-

der the motorcycle unsafe for use and

may cause severe personal injury.

Modifications may also make your mo-

torcycle illegal to use.

Loading and accessories

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 are some general guidelines to

follow if loading cargo or adding acces-

sories to your motorcycle:

The total weight of the operator, pas-

senger, accessories and cargo must

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SAFETY INFORMATION

1-3

not exceed the maximum load limit of

180 kg (397 lb) . 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. Make

sure to distribute the weight as

evenly as possible on both sides of

the motorcycle to minimize imbal-

ance or instability.

●

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.

●

Never attach any large or heavy

items to the handlebar, front fork,

or front fender. These items, in-

cluding such cargo as sleeping

bags, duffel bags, or tents, can

create unstable handling or a slow

steering response.

Accessories

Genuine Yamaha accessories have

been specifically designed for use on

this motorcycle. Since Yamaha cannot

test all other accessories that may be

available, you must personally be re-

sponsible for the proper selection, in-

stallation and use of non-Yamaha

accessories. Use extreme caution

when selecting and installing any ac-

cessories.

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

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 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 electri-

cal accessories. If electrical acces-

sories exceed the capacity of the

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SAFETY INFORMATION

1-4

motorcycle’s electrical system an

electric failure could result, which

could cause a dangerous loss of

lights or engine power.

Gasoline and exhaust gas

●

GASOLINE IS HIGHLY FLAMMA-

BLE:

●

Always turn the engine off when

refueling.

●

Take care not to spill any gaso-

line on the engine or exhaust

system when refueling.

●

Never refuel while smoking or in

the vicinity of an open flame.

●

Never start the engine or let it run

for any length of time in a closed

area. The exhaust fumes are poi-

sonous and may cause loss of

consciousness and death within a

short time. Always operate your

motorcycle in an area that has ad-

equate ventilation.

●

Always turn the engine off before

leaving the motorcycle unattended

and remove the key from the main

switch. When parking the motorcy-

cle, note the following:

●

The engine and exhaust system

may be hot, therefore, park the

motorcycle in a place where pe-

destrians or children are not like-

ly to touch these hot areas.

●

Do not park the motorcycle on a

slope or soft ground, otherwise it

may fall over.

●

Do not park the motorcycle near

a flammable source (e.g., a ker-

osene heater, or near an open

flame), otherwise it could catch

fire.

●

When transporting the motorcycle

in another vehicle, make sure that

it is kept upright and that the fuel

cock(s) are turned to “ON” or

“RES” (for vacuum type)/“OFF”

(for manual type). If the motorcycle

should lean over, gasoline may

leak out of the carburetor or fuel

tank.

●

If you should swallow any gaso-

line, inhale a lot of gasoline vapor,

or allow gasoline to get into your

eyes, see your doctor immediate-

ly. If any gasoline spills on your

skin or clothing, immediately wash

the affected area with soap and

water and change your clothes.

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