Yamaha SR125 Manuale utente

PRINTED IN JAPAN

2001·2-0.3×1CR

(E)

PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO.,LTD.

3MW-28199-E3

OWNER’S MANUAL

SR125

F_5eb_Toc0.fm Page 2 Wednesday, February 2, 2000 2:02 PM

EAU00001 INTRODUCTION

Welcome to the Yamaha world of motorcycling!

As the owner of a SR125, you are benefiting from Yamaha’s vast experience in and

newest technology for the design and the 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 your SR125’s

advantages. 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 to 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!

E_3mw.book Page 1 Monday, February 5, 2001 9:54 AM

EAU00005

IMPORTANT MANUAL INFORMATION

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

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

INVOLVED!

WARNING 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 motorcycle.

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

motorcycle.

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

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 there is any

question concerning this manual, please consult your Yamaha dealer.

E_3mw.book Page 1 Monday, February 5, 2001 9:54 AM

IMPORTANT MANUAL INFORMATION

EW000002

WARNING

PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING

THIS MOTORCYCLE.

E_3mw.book Page 2 Monday, February 5, 2001 9:54 AM

IMPORTANT MANUAL INFORMATION

EAU03337

SR125

OWNER’S MANUAL

1st Edition, January 2001

Any reprinting or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.

is expressly prohibited.

Printed in Japan.

E_3mw.book Page 3 Monday, February 5, 2001 9:54 AM

EAU00009 TABLE OF CONTENTS

GIVE SAFETY THE RIGHT OF WAY..................1-1

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

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

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

Controls/Instruments..........................................2-3

INSTRUMENT AND CONTROL FUNCTIONS....3-1

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

Indicator lights....................................................3-2

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

Handlebar switches............................................3-2

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

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

Front brake lever................................................3-4

Rear brake pedal................................................3-5

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

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

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

Starter (choke) knob...........................................3-7

Seat....................................................................3-8

Helmet holder.....................................................3-8

Rear shock absorber adjustment.......................3-9

Sidestand...........................................................3-9

Sidestand/clutch switch operation check .........3-10

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

Pre-operation check list......................................4-1

OPERATION AND IMPORTANT RIDING

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

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

Starting a warm engine......................................5-3

Shifting...............................................................5-4

Recommended shift points

(for Switzerland only)......................................5-4

Tips for reducing fuel consumption....................5-5

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

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

PERIODIC MAINTENANCE AND MINOR

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

Tool kit................................................................6-1

Periodic maintenance and lubrication chart.......6-2

Panel removal and installation...........................6-5

Panels A and B ..................................................6-5

Spark plug..........................................................6-6

Engine oil ...........................................................6-8

Air filter.............................................................6-10

Carburetor adjustment .....................................6-11

Idle speed adjustment......................................6-11

E_3mw.book Page 1 Monday, February 5, 2001 9:54 AM

TABLE OF CONTENTS

Throttle cable free play adjustment..................6-12

Cam chain adjustment.....................................6-12

Valve clearance adjustment.............................6-13

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

Wheels.............................................................6-15

Clutch lever free play adjustment.....................6-16

Front brake lever free play adjustment............6-16

Rear brake pedal height and free play

adjustment....................................................6-17

Brake light switch adjustment ..........................6-18

Checking the front brake pads and

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

Inspecting the brake fluid level.........................6-20

Brake fluid replacement...................................6-20

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

Drive chain slack adjustment...........................6-22

Drive chain lubrication......................................6-23

Cable inspection and lubrication......................6-23

Throttle cable and grip lubrication....................6-23

Brake and shift pedal lubrication......................6-24

Brake and clutch lever lubrication....................6-24

Center and sidestand lubrication .....................6-24

Front fork inspection ........................................6-25

Steering inspection ..........................................6-26

Wheel bearings................................................6-26

Battery..............................................................6-26

Fuse replacement............................................6-28

Headlight bulb replacement.............................6-29

Turn signal and tail/brake light bulb

replacement..................................................6-30

Front wheel removal ........................................6-30

Front wheel installation....................................6-31

Rear wheel removal.........................................6-32

Rear wheel installation.....................................6-33

Troubleshooting...............................................6-33

Troubleshooting chart......................................6-34

MOTORCYCLE CARE AND STORAGE.............7-1

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

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

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

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

How to use the conversion table........................8-5

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

Identification number records.............................9-1

Key identification number...................................9-1

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

Model label.........................................................9-2

E_3mw.book Page 2 Monday, February 5, 2001 9:54 AM

1-1

EAU00021

GIVE SAFETY THE RIGHT OF WAY

Motorcycles are fascinating vehicles, which can give you an unsurpassed feeling of power and

freedom. However, they also impose certain limits, which you must accept; even the best motorcycle

does not ignore the laws of physics.

Regular care and maintenance are essential for preserving your motorcycle’s value and operating

condition. Moreover, what is true for the motorcycle is also true for the rider: good performance

depends on being in good shape. Riding under the influence of medication, drugs and alcohol is, of

course, out of the question. Motorcycle riders - more than car drivers - must always be at their mental

and physical best. Under the influence of even small amounts of alcohol, there is a tendency to take

dangerous risks.

Protective clothing is as essential for the motorcycle rider as seat belts are for car drivers and

passengers. Always wear a complete motorcycle suit (whether made of leather or tear-resistant

synthetic materials with protectors), sturdy boots, motorcycle gloves and a properly fitting helmet.

Optimum protective wear, however, should not encourage carelessness. Though full-coverage

helmets and suits, in particular, create an illusion of total safety and protection, motorcyclists will

always be vulnerable. Riders who lack critical self-control run the risk of going too fast and are apt to

take chances. This is even more dangerous in wet weather. The good motorcyclist rides safely,

predictably and defensively - avoiding all dangers, including those caused by others.

Enjoy your ride!

E_3mw.book Page 1 Monday, February 5, 2001 9:54 AM

2-1

EAU00026

DESCRIPTION

Left view

1.Fuel tank cap (page 3-5)

2.Fuel cock (page 3-6)

3.Helmet holder (page 3-8)

4.Fuse box (page 6-28)

5.Sidestand (page 3-9)

6.Starter (choke) knob (page 3-7)

7.Shift pedal (page 3-4)

E_3mw.book Page 1 Monday, February 5, 2001 9:54 AM

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