Yamaha YB50 Service Manual page 3

This Manual was written by Yamaha Motor España, S.A. principally for the use of Yamaha/MBK
agents and qualified mechanics. As it is not possible to give full mechanical instructions in a manual,
it is presumed that the persons using the book to carry out the maintenance and repair of
Yamaha/MBK motorcycles have a basic knowledge of the concepts and procedures inherent in the
technology of motorcycle repair. Without such knowledge any attempt to repair or service this
model may cause problems in its use and/or safety.
Yamaha Motor España, S.A., is continually trying to improve all models which it manufactures.
Authorised Yamaha/MBK agents will be notified of all significant modifications and changes in the
specifications or procedures and these will appear where applicable in future editions of this
manual.
PARTICULARLY IMPORTANT INFORMATION
This material used the following notation.
s
WARNING
ATTENTION:
NOTE:
WARNING
A danger symbol means ATTENTION, BE CAREFUL, YOUR
SAFETY IS IN DANGER!
Non-compliance with a WANING
death of the driver, a bystander or the person inspecting of
repairing the mortorcycle.
ATTENTION indicates the special precautions which should be
taken in order to avoid damage to the motorcycle.
NOTE provides key information to make the procedures easier
and clearer.
may cause the serious injury or