2004-2006 Honda FourTrax Rancher TRX350TE/TM/FE/FM Service Manual, Page 429Get this manual
TROUBLESHOOTING
POOR PERFORMANCE AT HIGH SPEED
1Fuel Flow Inspection Disconnect the tu el hose and check fuel flow to carburetor
Does fuel flow freely?
NORestricted fuel hose Restricted fuel tank breather tube Faulty fuel valve Clogged fuel strainer
- GO TO STEP 2
2Carburetor Inspection
Check carb uretor for clogging
Are the carburetor passages clear?
NO YESCarbure to not serviced frequently enoughGO TO STEP 3,
3 Valve Timing Inspection Check the valve timing ,