2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 282Get this manual
TROUBLESHOOTING
ENGINE DOES NOT START OR IS HARD TO START
1Fuel Line Inspection Check fuel flow to carburetorDoes fuel reach carburetor7 NOClogged fuel line or strainer Clogged fuel valve Clogged fuel fill cap breather
- GO TO STEP 2
2Spark Plug Inspection
Remove and inspect spark plug Is the sparle plug wet7
Flooded carburetor Throttle valve open Dirty air cleaner Improperly adjusted air screw
- GO TO STEP 3
3Spark Test
Perform spark testIs there weale or no spark?