Periodic maintenance and adjustment
Troubleshooting chart
1. Fuel
Check the fuel level
in the fuel tank.
2. Ignition
Remove the spark
plug and check
the electrodes.
7
3. Compression
Operate the
kickstarter.
There is enough fuel.
There is no fuel.
Wet
Dry
There is compression.
There is no
compression.
7-28
Check the ignition.
Supply fuel.
Wipe off with a dry
cloth and correct the
spark plug gap, or
replace the spark
plug.
Have a Yamaha
dealer check the
vehicle.
The engine does not start.
Have a Yamaha dealer check the vehicle.
Have a Yamaha dealer check the vehicle.
EAU68120
The engine does not
start.
Check the ignition.
Open the throttle
halfway and operate
the kickstarter.
The engine does not
start.
Check the
compression.