2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 363Get this manual
TROUBLESHOOTING
ENGINE DOES NOT START OR IS HARD TO START
1Fuel Flow Inspection
Check fuel flow to the carburetorIs fuel reaching th ca rburetor?
- Clogged fuel line and strai ner Clogged fuel valve Clogged fuel fill cap breather hose
- GO TO STEP 2
2Spark Plug Inspection Remove and inspect the spark plugIs the spark plug we with fuel?
Flooded carburetor Choke valve closed Throttle valve open Dirty air cleaner
- GO TO STEP 3
3Spark Test
Perform the spark test
Is the spark quality good7