Yamaha YZF-R1 1998 Manuel utilisateur

SERVICEMANUAL

YZF-R1 4XV1-AE1

’98

EB000000

YZF - R1

SERVICE MANUAL



1997 by Yamaha Motor Co., Ltd.

First edition, October 1997

unauthorized use without the written

permission of Yamaha Motor Co., Ltd.

is expressly prohibited.

EB001000

NOTICE

This manual was produced by the Yamaha Motor Company, Ltd. 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, anyone who uses this book to perform maintenance and

repairs on Yamaha vehicles should have a basic understanding of mechanics and the tech-

niques to repair these types of vehicles. 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. is continually striving to improve all of its models. Modifica-

tions and significant changes in specifications or procedures will be forwarded to all autho-

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

NOTE:

Designs and specifications are subject to change without notice.

EB002000

IMPORTANT MANUAL INFORMATION

Particularly important information is distinguished in this manual by the following.

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 checking or

repairing the motorcycle.

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:

EB003000

HOW TO USE THIS MANUAL

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

hensive explanations of all installation, removal, disassembly, assembly, repair and check

procedures are laid out with the individual steps in sequential order.

The manual is divided into chapters. An abbreviation and symbol in the upper right corner

of each page indicate the current chapter.

Refer to “SYMBOLS”.

Each chapter is divided into sections. The current section title is shown at the top of each

page, except in Chapter 3 (“PERIODIC CHECKS AND ADJUSTMENTS”), where the sub-sec-

tion title(-s) appears.

Sub-section titles appear in smaller print than the section title.

To help identify parts and clarify procedure steps, there are exploded diagrams at the start

of each removal and disassembly section.

Numbers are given in the order of the jobs in the exploded diagram. A circled number indi-

cates a disassembly step.

Symbols indicate parts to be lubricated or replaced.

Refer to “SYMBOLS”.

A job instruction chart accompanies the exploded diagram, providing the order of jobs,

names of parts, notes in jobs, etc.

Jobs requiring more information (such as special tools and technical data) are described

sequentially.

EB004000

SYMBOLS

The following symbols are not relevant to

every vehicle.

Symbols

indicate the subject of

each chapter.

General information

Specifications

Periodic checks and adjustments

Engine

Cooling system

Carburetor(-s)

Chassis

Electrical system

Troubleshooting

Symbols

indicate the following.

Serviceable with engine mounted

Filling fluid

Lubricant

Special tool

Tightening torque

Wear limit, clearance

Engine speed

Electrical data

Symbols

in the exploded diagrams

indicate the types of lubricants and lubrica-

tion points.

Engine oil

Gear oil

Molybdenum disulfide oil

Wheel bearing grease

Lithium soap base grease

Molybdenum disulfide grease

Symbols

in the exploded diagrams

indicate the following.

NApply locking agent (LOCTITE)

OReplace the part

EFG

HIJ

KLM

GEN

INFO

SPEC

CHK

ADJ ENG

COOL CARB

CHAS

–+

ELEC

TRBL

SHTG

BLS M

LT New

CHAPTER TITLES

GENERAL INFORMATION

SPECIFICATIONS

SPEC

PERIODIC CHECKS AND

ADJUSTMENTS

ENGINE

ENG

COOLING

COOL

CARBURETION

CARB

CHASSIS

CHAS

ELECTRICAL

ELEC

TROUBLESHOOTING

GEN

INFO

CHK

ADJ

–+

TRBL

SHTG

GEN

INFO

GEN

INFO

CHAPTER 1.

GENERAL INFORMATION

MOTORCYCLE IDENTIFICATION

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

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

MODEL CODE .......................................................................................1-1

IMPORTANT INFORMATION

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

PREPARATION FOR REMOVAL AND DISASSEMBLY .......................1-2

REPLACEMENT PARTS ........................................................................1-2

GASKETS, OIL SEALS AND O-RINGS ................................................1-2

USING A DYNAMOMETER ..................................................................1-3

LOCK WASHERS/PLATES AND COTTER PINS ..................................1-3

BEARINGS AND OIL SEALS ................................................................1-3

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

CHECKING THE CONNECTIONS

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

SPECIAL TOOLS

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

GEN

INFO

1 - 1

GEN

INFO

MOTORCYCLE IDENTIFICATION

EB100000

GENERAL INFORMATION

MOTORCYCLE IDENTIFICATION

EB100010

VEHICLE IDENTIFICATION NUMBER

The vehicle identification number

stamped into the right side of the steering

head pipe.

EB100020

MODEL CODE

The model code label

is affixed to the

frame. This information will be needed to

order spare parts.

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