2000-2003 Honda TRX350 Rancher factory service manual, Page 371Get this manual
24TROUBLESHOOTING ENGINE DOES NOT START OR IS HARD TO START ENGINE LACKS POWER POOR PERFORMANCE AT LOW AND IDLE SPEED 24-1 24-2 24-3 POOR PERFORMANCE AT HIGH SPEED 24-4 POOR HANDLING 24-4
ENGINE DOES NOT START OR IS HARD TO START
Possible cause 1Check fuel flow to carburetor Not reaching carburetor Clogged fuel line and strainer Clogged fuel valve Clogged fuel tank breather tube
Reaching carburetor
2Remove and inspect spark plug
Wet plug
Good condition
Flooded carburetor Throttle valve open Dirty air clearner Improperly adjusted pilot screw Starting enrichment (SE) valve stuck open or damaged
3Perform spark test
Weak or no spark
Good spark