2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 284Get this manual
TROUBLESHOOTING 7Cylinder Compression Inspection Test cylinder compressionIs the compression low? YESValve clearance too small Valve stuck open Worn cylinder and piston rings Damaged cylinder head gasket Seized valve Improper valve timing
- GO TO STEP 8
8Carburetor Inspection
Check carburetor for clogging
15 the carburetor clogged?