Troubleshooting chart
1. Fuel
Check the fuel level in
the fuel tank.
2. Battery
Operate the electric starter.
3. Ignition
Remove the spark plug
and check the electrodes.
4. Compression
Operate the electric starter.
Periodic maintenance and adjustment
There is enough fuel.
Check the battery.
There is no fuel.
Supply fuel.
The engine turns over
The battery is good.
quickly.
Check the electrolyte and battery
The engine turns over
lead connections, and charge the
slowly.
battery if necessary.
Wipe off with a dry cloth and correct the
Wet
spark plug gap, or replace the spark plug.
Dry
Have a Yamaha dealer check the vehicle.
The engine does not start.
There is compression.
Have a Yamaha dealer check the vehicle.
There is no compression.
Have a Yamaha dealer check the vehicle.
7-42
The engine does not start.
Check the battery.
The engine does not start.
Check the ignition.
Open the throttle halfway and operate
the electric starter.
The engine does not start.
Check the compression.
EAU25965
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