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NOTICE
This manual was written by the Yamaha Motor
Company primarily for use by Yamaha dealers and
their qualified mechanics. It is not possible to put an
entire mechanic's education into one manual, so it
is assumed that persons using this book to perform
maintenance and repairs on Yamaha snowmobiles
have a basic understanding of the mechanical con-
cepts and procedures inherent in snowmobile
repair. Without such knowledge, attempted repairs
or service to this model may render it unfit and/or
unsafe to use. Yamaha Motor Company, Ltd. is
continually striving to improve all models manufac-
tured by Yamaha. Modifications and significant
changes in specifications or procedures will be for-
warded to all authorized Yamaha dealers and will,
where applicable, appear in future editions of this
manual.
PZ50W, PZ50GTW, PZ50FXW, PZ50MW,
PZ50VTW, PZ50MPW
SERVICE MANUAL
©2006 by Yamaha Motor
Corporation, U.S.A.
1st Edition, July 2006
All rights reserved. Any reprinting or
unauthorized use without the written
permission of Yamaha Motor Corporation,
U.S.A. is expressly prohibited.
Printed in U.S.A.
P/N.LIT-12618-02-58
HOW TO USE THIS MANUAL
Particularly important information is distinguished in
this manual by the following notations:
The Safety Alert Symbol means ATTENTION! BE
ALERT! YOUR SAFETY IS INVOLVED!
WARNING
Failure to follow WARNING instructions could result
in severe injury or death to the snowmobile opera-
tor, a bystander, or a person inspecting or repairing
the snowmobile.
CAUTION:
A CAUTION indicates special precautions that
must be taken to avoid damage to the snowmobile.
NOTE:
A NOTE provides key information that can make
procedures easier or clearer.
MANUAL FORMAT
All of the procedures in this manual are organized
in a sequential, step-by-step format. The informa-
tion has been compiled to provide the mechanic
with an easy to read, handy reference that contains
comprehensive explanations of all inspection,
repair, assembly, and disassembly operations.
In this revised format, the condition of a faulty com-
ponent will precede an arrow symbol and the
course of action required to correct the problem will
follow the symbol, e.g.,
• Bearings
Pitting/damage → Replace.
EXPLODED DIAGRAM
Each chapter provides exploded diagrams before
each disassembly section to facilitate correct disas-
sembly and assembly procedures.
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