PERIODIC MAINTENANCE AND ADJUSTMENT
Troubleshooting chart
1. Fuel
There is enough fuel.
Check the fuel level in the fuel tank.
EAUT1981
Check the compression.
There is no fuel.
Supply fuel.
The engine does not start. Check the compression.
2. Compression
Operate the electric starter. 
There is compression. |
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There is no compression.
Have a Yamaha dealer check the vehicle.
3. Ignition
Remove the spark plug and check the electrodes.
Wet
Wipe off with a dry cloth and correct the spark plug gap, or replace the spark plug.
6
Operate the electric starter.
Dry 
Have a Yamaha dealer check the vehicle.
The engine does not start. Check the battery.
4. Battery
The engine turns over quickly.
Operate the electric starter. 
The engine turns over slowly.
The battery is good.
Check the battery lead connections, and charge the battery if necessary.
The engine does not start. 
Have a Yamaha dealer
check the vehicle.