Yamaha VMX12H Supplementary Service Manual page 67

This manual was written by the Yamaha Motor Company primarily for use by Yamaha dealers and
their qualified mechanics. It is not possible t o 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 motor-
cycles have a basic understanding of the mechanical concepts and procedures inherent in motorcycle
repair technology. Without such knowledge, attempted repairs or service t o this model may render
it unfit to use and/or unsafe.
This model has been disgned and manufactured t o perform within certain specifications in regard t o
performance and emissions. Proper service with the correct tools is necessary t o ensure that the
motorcycle will operate as designed, If there is any question about a service procedure, it is impera-
tive that you contact a Yamaha dealer for any service information changes that apply t o this model.
This policy i s intended t o provide the customer with the most
t o conform with federal environmental quality objectives.
Yamaha Motor Company, Ltd. is continually striving t o improve all models manufactured by Yamaha.
Modifications and significant changes in specifications or procedures will be forwarded t o all
Authorized Yamaha dealers and will, where applicable, appear in future editions of this manual.
NOTE:
This Service Manual contains information regarding periodic maintenance t o the emission control
system for the
PARTICULARLY IMPORTANT I NFORMATION
This material is distinguished by the following notation.
NOTE: A NOTE provides key information t o make procedures easier or clearer.
A CAUTION indicates special procedures that must be followed t o avoid damage t o
the motorcycle.
A WARNING indicates special procedures that must be followed t o avoid injury t o
a motorcycle operator or person inspecting or repairing the motorcycle.
MANUAL FORMAT
All of the procedures in this manual are organized in a sequential, step-by-step format. The
has been compiled t o provide the mechanic with an easy t o read, handy reference that contains
comprehensive explanations of all disassembly, repair, assembly, and inspection operations.
In this revised format, the condition of a faulty component will precede an arrow symbol and the
course of action required will follow the symbol,
Bearings
Replace.
EXPLODED DIAGRAM
Each chapter provides exploded diagrams before each disassembly section for ease in identifying
correct disassembly and assembly procedures.
NOTICE
Please read this material carefully.
HOW TO USE THIS MANUAL
his motorcycle and
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MOTORCYCLES OPERATIONS
MOTOR CO., LTD.