PERIODIC MAINTENANCE AND ADJUSTMENT
7-37
7
EAU42504
Troubleshooting charts
Starting problems or poor engine performance
Check the fuel level in
the fuel tank.
1. Fuel
There is enough fuel.
There is no fuel.
Check the battery.
Supply fuel.
The engine does not start.
Check the battery.
Remove the spark plugs
and check the electrodes.
3. Ignition
Wipe off with a dry cloth and correct the
spark plug gaps, or replace the spark plugs.
Have a Yamaha dealer check the vehicle.
Operate the electric starter.
4. Compression
There is compression.
There is no compression.
The engine does not start.
Have a Yamaha dealer check the vehicle.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Check the compression.
Operate the electric starter.
2. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The engine does not start.
Check the ignition.
The battery is good.
Check the battery lead connections,
and have a Yamaha dealer charge
the battery if necessary.
Dry
Wet
Operate the electric starter.
U5S616E0.book Page 37 Wednesday, July 25, 2012 8:13 AM
