Troubleshooting - Yamaha YW125Z Owner's Manual

Troubleshooting<IXE>
PERIODIC MAINTENANCE AND ADJUSTMENT

Troubleshooting

Although Yamaha scooters receive a
thorough inspection before shipment
1
from the factory, trouble may occur dur-
ing operation. Any problem in the fuel,
2
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
3
The following troubleshooting chart rep-
resents a quick and easy procedure for
4
checking these vital systems yourself.
However, should your scooter require any
5
repair, take it to a Yamaha dealer, whose
skilled technicians have the necessary
tools, experience, and know-how to ser-
6
vice the scooter properly.
Use only genuine Yamaha replacement
7
parts. Imitation parts may look like
Yamaha parts, but they are often infe-
8
rior, have a shorter service life and can
lead to expensive repair bills.
9
WARNING
When checking the fuel system, do
not smoke, and make sure there are
no open flames or sparks in the area,
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including pilot lights from water heat-
ers or furnaces. Gasoline or gasoline
vapors can ignite or explode, caus-
ing severe injury or property damage.
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