2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 92Get this manual
FUEL SYSTEM
TROUBLESHOOTING
Engine cranks but won't start No fuel in tank No fuel to carburetorClogged fuel strainerClogged fuel lineClogged fuel tank breather hose Too much fuel getting to the engineClogged air cleaner
- Flooded carburetor Intake air leak
Contaminateddeteriorated fuel
- Clogged jets Improper choke operation Improper throttle operation No spark at plug (faulty ignition systemSee page 18-4)