Kawasaki KX250F - Owner's Manual - page 182
181
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Lubrication inadequate:
•
Engine oil level too low
•
Engine oil quality poor or type incorrect
Coolant inadequate:
•
Coolant level too low
•
Coolant deteriorated
Cooling system component defective:
•
Radiator clogged
•
Radiator cap defective
•
Water pump not rotating
Clutch operation faulty -
Clutch slipping:
•
No clutch lever play
•
Clutch cable improperly adjusted
•
Clutch cable defective
•
Clutch plate worn or warped
•
Clutch spring broken or weak
•
Clutch release mechanism defective
•
Clutch hub or housing unevenly worn
Clutch not disengaging properly:
•
Clutch lever play excessive
•
Clutch spring tension uneven
•
Engine oil deteriorated
•
Engine oil viscosity too high
•
Engine oil level too high
•
Clutch housing frozen on drive shaft
•
Clutch release mechanism defective
•
Clutch hub nut loose
•
Clutch plate warped or rough
•
Clutch hub spline damaged
Gear shifting faulty -
Transmission does not go into gear; shift pedal
does not return:
•
Clutch not disengaging
•
Shift fork bent or seized
•
Gear stuck on the shaft
•
Shift lever broken
•
Pawl guide plate broken
•
Shift return spring broken or weak
•
Shift return spring pin loose
•
Shift pawl broken
•
Shift pawl spring weak
•
Shift drum broken
•
Gear positioning lever operation defective
Transmission jumps out of gear:
•
Shift fork worn
•
Gear groove worn
•
Gear dogs and/or dog grooves worn
•
Shift drum groove worn
•
Gear positioning lever spring broken or weak
•
Shift fork guide pin worn
•
Drive shaft, output shaft, and/or gear splines worn
Transmission skips gears:
•
Gear positioning lever spring broken or weak
•
Pawl guide plate worn