KS Motorcycles K-LIGHT125, Maintenance Manual

Page: 28 / 278

Fault diagnostic procedure for clutch slipping
No Yes
No Yes
No Yes
No Yes
Yes No No Yes
Yes No
The clutch is
slipping
Automatic centrifugal dry brake
shoe clutch is slipping
Check whether the free stroke of
clutch grip is within the scope of
10mm~20m
Readjust Check whether the wire rope of
clutch control cable can be flexibly
pulled in the cable jacket
Check whether the brake
shoe of clutch is
excessively worn
Replacement of
complete set of
clutch brake shoe
Clean the oil
Check whether the contact
area of the friction pad of
clutch brake shoe and clutch
friction plate is less than 70%
Cleaning,
lubrication or
replacement
Check whether the oil level
in the crankcase is too low
Check whether the
contact surface between
clutch friction plate and
brake shoe is
excessively worn
Repair or replace
clutch brake
shoe
Supplement oil Check whether the viscosity
of oil in the crankcase is too
low or it is too dirty
Replace oil
1. Check whether the clutch lever adjustment screw
is not adjusted properly
2. Check whether the holddown bolt of clutch
spring is loosened
3. Check the friction pad of clutch for ablation or
excessive wear
4. Check whether the clutch spring is insufficiently
elastic
5. Inspect whether the contact surfaces between
clutch driven hub and clutch pressure plate and
clutch friction pad are excessively worn
6. Check whether the driving and driven hub gear
grooves of clutch have been worn to a zigzag
shape
A number of clutches are slipping
under wet conditions during manual
operation
Check whether there is oil in the brake shoe
of clutch
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