Troubleshooting Chart - Yamaha BWS CW50 Owner's Manual

PERIODIC MAINTENANCE AND ADJUSTMENT

Troubleshooting chart

1. Fuel
Check the fuel level in
the fuel tank.
2. Compression
Operate the
electric starter.
3. Ignition
6
Remove the spark plug
and check the electrodes.
4. Battery
Operate the
electric starter.
There is
Check the compression.
enough fuel.
There is
Supply fuel.
no 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.
The engine turns over
Check fluid, recharge,
slowly.
check connections.
6-24
The engine does not start.
Check the compression.
Open the throttle halfway and
operate the electric starter.
The engine does not start.
Check the battery.
The engine does not start. Have a
Yamaha dealer check the vehicle.
EAU25963