1998-2004 Honda Foreman 450 factory service manual, Page 466Get this manual
TROUBLESHOOTING
ENGINE LACKS POWER
Possible cause
1Raise wheel off the gound and spin Wheels do not spin by hand Wheel spins freely
Brake dragging Worn or damaged wheel bearing
2Check ire pressure- -Pressure low-Faulty tire valve Punctured tire Pressure normal
3Check for slipping clutch -Abnormal-Clutch slipping Worn clutch discsplates Normal Warped clutch discsplates Weak clutch spring Additive in engine oil
4Accelerate lightlyspeed does increase Engine speed increase
5Check ignition ming Incorrect Correct
Fuelair mixture too rich or lean Clogged air cleaner Restricted fuel flow Clogged muffler Pinched fuel fill cap breather Faulty ignition control module
Faulty ignition pu lse generator