SERVICE MANUAL
LIT-11616-17-11
5TG-28197-10
EBS00001
YFZ450S
SERVICE MANUAL
©2003 by Yamaha Motor Corporation, U.S.A.
First Edition, May 2003
All rights reserved.
Any reproduction or unauthorized use
without the written permission of
Yamaha Motor Corporation, U.S.A.
is expressly prohibited.
Printed in U.S.A.
LIT-11616-17-11
NOTICE
This manual was produced by the Yamaha Motor Company 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, so it is assumed that anyone who uses this book to perform maintenance and repairs on
Yamaha machine has a basic understanding of the mechanical ideas and the procedures of
machine repair. Repairs attempted by anyone without this knowledge are likely to render the
machine unsafe and unfit for use.
Yamaha Motor Company, Ltd. is continually striving to improve all its models. Modifications and sig-
nificant changes in specifications or procedures will be forwarded to all authorized Yamaha dealers
and will appear in future editions of this manual where applicable.
NOTE:
_
Designs and specifications are subject to change without notice.
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IMPORTANT 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 machine operator, a bystander or a person checking or repairing the
machine.
CAUTION:
A CAUTION indicates special precautions that must be taken to avoid damage
to the machine.
NOTE:
A NOTE provides key information to make procedures easier or clearer.
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