Sym RS-50 Service Manual page 66

This chapter Contents
7. "V" TYPE BELT DRIVE SYSTEM/KICK-STARTER
Removal
Drive face boss
Movable drive face
Remove movable drive face set and drive belt
from crankshaft.
Crankshaft
Remove ramp plate.
Ramp plate
Remove weight rollers from movable face.
Movable drive face
Weight roller
Inspection
Weight roller
The weight roller is to press movable driven face
by means of centrifuge force. Thus, if weight
rollers are worn out or damage, the centrifuge
force will be affected.
Check if rollers are wear out or damage. Replace
it if necessary.
Measure each roller's outer diameter. Replace it if
exceed the service limit.
Service limit: 15.40 mm
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