Troubleshooting Charts - Yamaha DT230 Owner's Manual

Troubleshooting charts

Starting problems or poor engine performance
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Keep away open flames and do not smoke while checking or working on the fuel system.
1. Fuel
Check if there is fuel
in the fuel tank.
2. Compression
Use electric starter.
3. Ignition
Remove spark
plug and check
electrodes.
4. Battery
Use electric starter.
PERIODIC MAINTENANCE AND MINOR REPAIR
Enough fuel. Go to compression check.
No fuel. Supply fuel.
There is compression.
Go to ignition check.
No compression. Ask a Yamaha dealer to inspect.
Wipe clean with dry cloth and correct
Wet.
spark gap or replace spark plug.
Dry.
Ask a Yamaha dealer to inspect.
Engine turns over
Battery good.
quickly.
Engine turns over Check connections or
slowly. recharge.
6-43
EAU01581
EW000125
Engine doesn't start, go to
compression check.
Open throttle half-way and start
the engine.
Engine doesn't start, go to battery
check.
Engine doesn't start, ask a
Yamaha dealer to inspect.
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