Owner`s manual

6-42
PERIODIC MAINTENANCE AND MINOR REPAIR
6
1. Fuel
2. Compression
3. Ignition
4. Battery
Use electric starter.
There is compression.
Go to ignition check.
No compression.
Ask a Yamaha dealer to inspect.
Wet.
Dry.
Wipe clean with dry cloth and
Ask a Yamaha dealer to inspect.
Check if there is fuel
Enough fuel
No fuel
Go to compression check.
Supply fuel.
in the fuel tank.
Remove spark
electrodes.
plug and check
Open throttle half-way and start the
Engine doesn’t start, go to battery
check.
engine.
correct spark gap or replace spark plug.
Engine turns over
Engine turns over
Battery good.
Check connections
quickly.
slowly. or recharge.
Engine doesn’t start, ask a Yamaha
dealer to inspect.
Engine doesn’t start, go to
compression check.
Use the electric
starter.
EAU01397
Troubleshooting chart
Troubleshooting chart
EW000125
w
Keep away open flames and do not smoke while checking or working on the fuel system.
4PT-E7 (English) 6/29/01 9:13 AM Page 79