2000-2003 Honda TRX350 Rancher factory service manual, Page 372Get this manual
TROUBLESHOOTING
ENGINE LACKS POWER
Possible cause 1Raise wheel off the ground and spin by hand Wheel spins freely Wheel does not spin freely Brake dragging Worn or damaged axle or wheel bearing
2Check tire pressure
Pressure low
Faulty tire valve Punctured tire
Pressure normal
3Check for slipping clutch
Abnormal
Engine speed reduced when clutch is released
Clutch slipping Worn clutch discsplates Warped clutch discsplates Weak clutch spring Additive in engine oil
4Accelerate lightly
Engine speed does not increase
Engine speed increase
Fuelair mixture too rich or learn Clogged air cleaner Restricted fuel flow Clogged muffler Restricted fuel tank breather tube Faulty ignition control module (ICM) Faulty ignition pulse generator