Yamaha DT125R 1989 Manual page 4

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 motor-
cycles have a basic understanding of the mechanical concepts and procedures inherent in motorcycle
repair technology. Without such knowledge, attempted repairs or service to this model may render
it unfit to use and/ or unsafe.
• Yamaha Motor Company, Ltd. is continually striving to improve all models manufactured by Yamaha.
Modifications and significant changes in specifications or procedures will
be
forwarded to all Authorized
Yamaha dealers and will, where applicable, appear in future editions of this manual.
HOW TO USE THIS MANUAL
PARTICULARLY IMPORTANT INFORMATION
This material is distinguished by the following notation.
NOTE:
A NOTE provides key information to make procedures easier or clearer.
A CAUTION indicates special procedures that must be followed to avoid damage
to the motorcycle.
•
__;__WARNING :
A WARNING indicates special procedures that must
be
followed to avoid injury to -
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 informa-
tion
has been compiled to provide the mechanic with an easy to 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, e.g.,
• Bearings
Pitting/ Damage-+ Replace.
EXPLODED DIAGRAM
Each chapter provide. s exploded diagrams before each disassembly section for ease in identifying cor-
rect disassembly and assembly procedures.
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