Troubleshooting Chart - Yamaha TT-R Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR

Troubleshooting chart

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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 electric
starter.
6
3. Ignition
Remove the spark
plug and check
the electrodes.
4. Battery
Operate the
electric starter.
There is enough fuel.
Check the compression
There is no fuel.
Supply 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.
The engine turns
The battery is good.
over quickly.
The engine turns Check the battery lead connections,
over slowly. and charge the battery if necessary.
6-39
The engine does not start.
Check the compression.
Check the ignition.
Have a Yamaha dealer check the vehicle.
Open throttle halfway and operate
the electric starter.
The engine does not start.
Check the battery.
EAU01397
EW000125
The engine does not start.
Have a Yamaha dealer
check the vehicle.