Sym Joyride 125 Service Manual page 156

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9. V-Belt Drive System
Removal Movable drive face
Drive face boss
Remove movable drive face comp. and driving
belt from crankshaft.
Crankshaft
Remove ramp plate.
Ramp plate
Remove weight rollers from movable drive face.
Movable drive face
Weight roller
Inspection
Weight roller
The weight rollers are to press movable drive
face by means of centrifuge force.
Thus, if weight rollers are worn out or damaged,
the centrifuge force will be effected.
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: 19.50 mm
9-7