2009 Kawasaki KX85 Owners Manual - Page 108

106 TROUBLESHOOTING GUIDE mechanism arm broken • Shift Shift • drum broken Transmission jumps out of gear fork worn • Shift Gear groove worn • Gear dogs and/or dog grooves worn • Shift drum groove worn • Gear positioning lever • Shift fork pin worn spring weak or broken • Drive shaft, output shaft, and/or gear splines worn • Transmission skips gears positioning lever spring weak or broken • Gear Shift mechanism arm spring broken • ring worn, broken or stuck • Piston Piston seized damaged • Cylinder head or gasket leaking • Exhaust pipe leaking at cylinder head • Crankshaft runout excessive • Engine mounts loose • Crankshaft bearing worn • Primary gear worn or chipped • j Abnormal drive train noise Clutch noise Clutch housing/friction plate clearance excessive Clutch housing gear/primary gear backlash excessive Metal chip jammed in clutch housing gear teeth Engine noise abnormal Knocking Igniter defective Carbon built up in combustion chamber Fuel quality poor or type incorrect Spark plug type incorrect Engine overheating Piston slap clearance excessive • Piston Cylinder or piston bent • Connecting bent • Piston pin orRod piston pin bores worn • Other noise rod small end clearance excessive • Connecting • Connecting rod big end clearance excessive • • • Transmission noise bearing worn or damaged • Crankcase Transmission gear worn or chipped • Metal chip jammed in gear teeth • Transmission oil level viscosity too low • Kick ratchet gear not or properly disengaging from • kick gear • Output shaft idle gear worn or chipped Drive chain noise chain slack improperly adjusted • Drive chain worn • Drive Rear and/or engine sprocket(s) worn • Drive chain inefficiently • Rear wheel misaligned lubrified •