Troubleshooting Charts - Yamaha 2011 WR250RA Owner's Manual

PERIODIC MAINTENANCE AND ADJUSTMENT

Troubleshooting charts

Starting problems or poor engine performance
1
1. Fuel
Check the fuel level in
2
the fuel tank.
3
2. Compression
4
Operate the electric starter.
5
3. Ignition
6
Remove the spark plug
and check the electrodes.
7
8 4. Battery
Operate the electric starter.
9
There is enough fuel. Check the compression.
There is no fuel. Supply fuel.
There is compression. Check the ignition.
Have a Yamaha dealer
There is no compression.
check the vehicle.
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 turns over
The battery is good.
quickly.
Check the battery lead connections,
The engine turns over
and have a Yamaha dealer charge
slowly.
the battery if necessary.
The engine does not start.
Check the compression.
Operate the electric starter.
The engine does not start.
Check the battery.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
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