Troubleshooting Charts - Yamaha YZ85 Owner's Manual

Troubleshooting charts

Starting problems or poor engine performance
WARNING
Keep away open flames and do not smoke while checking or working on the fuel system.
1. Fuel
Check the fuel level in
the fuel tank.
2. Compression
Operate the kickstarter.
3. Ignition
Remove the spark plug
and check the electrodes.
PERIODIC MAINTENANCE AND MINOR REPAIR
There is
Check the compression.
enough fuel.
There is
Supply fuel.
no fuel.
There is compression.
There is
no compression.
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.
6-31
The engine does not start.
Check the compression.
Check the ignition.
Have a Yamaha dealer
check the vehicle.
Open the throttle halfway and operate
the kickstarter.
The engine does not start.
Have a Yamaha dealer check the vehicle.
EAU41491
EWA10840
6