KYMCO ZX Service Manual page 26

2
. GENERAL INFORMATION
Motorcycle creeps or
engine starts but soon
stops or seems to rush
out (Rear wheel rotates
when engine idle s)
Engine lacks power at
start of a grade (poor
slope performance)
Engine lacks power at
high speed
There is abnormal noise
or smell while running
STEERING HANDLEBAR DOES NOT TRACK STRAIGHT
Steering is heavy
Front or rear wheel is
wobbling
Steering handlebar pulls
to one side
POOR SUSPENSION PERFORMANCE
Suspension is too soft
Symptom
Symptom
ZX / SCOUT
... Damaged driven pulley shaft splines
† Damaged final gear
‡ Seized final gear
• Broken shoe spring
‚ Clutch outer and clutch weight stuck
ƒSeized pivot
• Worn or slipping drive belt
‚ Worn weight rollers
ƒ Seized drive pulley bearings
„ Weak driven face spring
... Worn or seized driven pulley bearings
• Worn or slipping drive belt
‚ Worn weight rollers
ƒ Worn or seized driven pulley bearings
• Oil or grease fouled drive belt
‚ Worn drive belt
ƒ Weak driven face spring
„ Worn or seized driven pulley bearings
Probable Cause
(Front and rear tire pressures are normal)
• Steering stem nut too tight
‚ Broken steering steel balls
• Excessive wheel bearing play
‚ Bent rim
ƒ Loose axle nut
• Misaligned front and rear wheels
‚ Bent front fork
Probable Cause
(Front and rear tire pressures are normal)
• Weak shock spring
‚ Excessive load
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