Yamaha XSR125 2021 Manuale utente

2021

SERVICE MANUAL

XSR125

MTM125

BFG-F8197-E0

EAS20003

IMPORTANT

This manual was produced by MBK Industrie primarily for use by Yamaha dealers and their qualified

mechanics. It is not possible to include all the knowledge of a mechanic in one manual. Therefore, any-

one who uses this book to perform maintenance and repairs on Yamaha vehicles should have a basic

understanding of mechanics and the techniques to repair these types of vehicles. Please refer to “BA-

SIC INFORMATION” (separate volume, Y0A-28197-E0*) for basic instructions that must be observed

during servicing. Repair and maintenance work attempted by anyone without this knowledge is likely to

render the vehicle unsafe and unfit for use.

Yamaha Motor Company, Ltd. and MBK Industrie are continually striving to improve all of its models.

Modifications and significant changes in specifications or procedures will be forwarded to all authorized

Yamaha dealers and will appear in future editions of this manual where applicable.

TIP

•*Ifthecontentsofthemanualarerevised,thelastdigit of the manual number will be increased by one.

•ThisServiceManualcontainsinformationregardingperiodicmaintenancetotheemissioncontrolsys-

tem. Please read this material carefully.

•Designsandspecificationsaresubjecttochangewithoutnotice.

EAS30001

IMPORTANT MANUAL INFORMATION

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 inju-

ry 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

EAS20002

MTM125

SERVICE MANUAL

First edition, May 2021

Any reproduction or unauthorized use

without the written permission of

MBK Industrie

is expressly prohibited.

EAS20004

HOW TO USE THIS MANUAL

This manual is intended as a handy, easy-to-read reference book for the mechanic. Comprehensive

explanations of all installation, removal, disassembly, assembly, repair and check procedures are laid

out with the individual steps in sequential order.

•Themanualisdividedintochaptersandeachchapterisdivided into sections. The current section title

“1” is shown at the top of each page.

•Sub-sectiontitles“2”appearinsmallerprintthanthesectiontitle.

•Tohelpidentifypartsandclarifyproceduresteps,there are exploded diagrams “3” at the start of each

removal and disassembly section.

•Numbers“4”aregivenintheorderofthejobsintheexplodeddiagram.Anumberindicatesadisas-

sembly step.

•Symbols“5”indicatepartstobelubricatedorreplaced.

Refer to “SYMBOLS”.

•Ajobinstructionchart“6”accompaniestheexploded diagram, providing the order of jobs, names of

parts, notes in jobs, etc. This step explains removal and disassembly procedure only. For installation

and assembly procedure, reverse the steps.

•Jobs“7”requiringmoreinformation(suchasspecialtoolsandtechnicaldata)aredescribedsequen-

tially.

G088877

EAS20005

SYMBOLS

The following symbols are used in this manual for easier understanding.

TIP

The following symbols are not relevant to every vehicle.

SYMBOL DEFINITION SYMBOL DEFINITION

Serviceable with engine mounted Gear oil

Filling fluid Molybdenum disulfide oil

Lubricant Brake fluid

Special tool Wheel bearing grease

Tightening torque Lithium-soap-based grease

Wear limit, clearance Molybdenum disulfide grease

Engine speed Silicone grease

Electrical data Apply locking agent (LOCTITE®).

Engine oil Replace the part with a new one.

New

EAS10003 TABLE OF CONTENTS

GENERAL INFORMATION 1

SPECIFICATIONS 2

PERIODIC CHECKS AND

ADJUSTMENTS 3

CHASSIS 4

ENGINE 5

COOLING SYSTEM 6

FUEL SYSTEM 7

ELECTRICAL SYSTEM 8

SELF DIAGNOSTIC 9

GENERAL INFORMATION

IDENTIFICATION ............................................................................................1-1

VEHICLE IDENTIFICATION NUMBER .....................................................1-1

ENGINE SERIAL NUMBER ......................................................................1-1

MODEL LABEL..........................................................................................1-1

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

MULTI-FUNCTION METER UNIT .............................................................1-2

SPECIAL TOOLS ............................................................................................1-6

IDENTIFICATION

1-1

EAS20007

IDENTIFICATION

EAS30002

VEHICLE IDENTIFICATION NUMBER

The vehicle identification number “1” is stamped

into the steering head pipe.

EAS30004

ENGINE SERIAL NUMBER

The engine serial number “1” is stamped into the

crankcase.

EAS30003

MODEL LABEL

The model label “1” is affixed to the frame under

the seat. This information will be needed to order

spare parts.

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