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SERVICE MANUAL
V-Belt Driving System
Drive Face:
Removal
• Remove right crankcase cover.
• Hold drive face with universal holder, and then
remove drive face nut.
• Remove drive face and drive belt.
• Remove movable
drive face comp
and drive face
boss from
crankshaft.
• Remove ramp plate.
• Remove weight rollers
from movable drive face.
Inspection:
• The weight rollers press the
movable drive face by
means of centrifuge force.
• If weight rollers are worn
out or damaged,
the centrifuge force will be affected.
• Check rollers for wear or damage. Replace as
necessary.
• Measure each roller’s outer diameter. Replace if it
exceeds the service limit.
• Service limit: 25.0 mm
• Weight: 12.5g
• Check drive face boss for wear or damage and
replace it as necessary.
• Measure the outer diameter of movable drive face
boss, and replace it if it exceed service limit.
• Service limit: 26.962 mm
• Measure the inner diameter of movable drive face,
and replace it if it exceed service limit.
• Service limit: 27.060 mm
Reassembly/installation
• Install weight rollers.
• Install Ramp Plate.
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