2. GENERAL INFORMATION VITALITY 50
CLUTCH, DRIVE AND DRIVEN PULLEYS
Symptom Probable Cause
Worn or slipping drive belt
Broken ramp plate
Engine starts but motor- Broken driven face spring
cycle does not move Separated clutch lining
Damaged driven pulley shaft splines
Damaged final gear
Seized final gear
Motorcycle creeps or
engine starts but soon Broken shoe spring
stops or seems to rush Clutch outer and clutch weight stuck
out (Rear wheel rotates Seized pivot
when engine idles)
Worn or slipping drive belt
Engine lacks power at Worn weight rollers
start of a grade (poor Seized drive pulley bearings
slope performance) Weak driven face spring
Worn or seized driven pulley bearings
Engine lacks power at Worn or slipping drive belt
high speed Worn weight rollers
Worn or seized driven pulley bearings
Oil or grease fouled drive belt
There is abnormal noise Worn drive belt
or smell while running Weak driven face spring
Worn or seized driven pulley bearings
STEERING HANDLEBAR DOES NOT TRACK STRAIGHT
Symptom Probable Cause
(Front and rear tire pressures are normal)
Steering is heavy Steering stem nut too tight
Broken steering steel balls
Front or rear wheel is Excessive wheel bearing play
wobbling Bent rim
Loose axle nut
Steering handlebar pulls Misaligned front and rear wheels
to one side Bent front fork
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