2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 365Get this manual
TROUBLESHOOTING 7Carburetor Inspection
Check carburetor for clogging
Are the carburetor passages clear ?
NOCarburetor not serviced frequently enough
- GO TO STEP 8
8Spark Plug Inspectio n
Remove the spark plug and inspect it for fouling or discoloration
Is the spark plug in good condition?
NOPlug not serviced frequently enough Spark plug has not the correct heat range
- GO TO STEP 9
9Engine Oil Inspection