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PERIODIC MAINTENANCE AND ADJUSTMENT
Troubleshooting
Although Yamaha scooters receive a
thorough inspection before shipment
from the factory, trouble may occur dur-
1
ing operation. Any problem in the fuel,
compression, or ignition systems, for
2
example, can cause poor starting and
loss of power.
3
The following troubleshooting charts
represent quick and easy procedures
for checking these vital systems your-
4
self. However, should your scooter re-
quire any repair, take it to a Yamaha
5
dealer, whose skilled technicians have
the necessary tools, experience, and
6
know-how to service the scooter prop-
erly.
Use only genuine Yamaha replace-
7
ment parts. Imitation parts may look like
Yamaha parts, but they are often inferi-
8
or, 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 ar-
ea, including pilot lights from water
EAU25881
heaters or furnaces. Gasoline or
gasoline vapors can ignite or ex-
plode, causing severe injury or
property damage.
EWA15141
7-37
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Troubleshooting
