4, ENGINE
B. Inspection
1. Measure the thickness of the friction disc.
Measure the thickness with a vernier
caliper and replace if beyond the service-
able limit.
2. Check the clutch plate for warp.
Place the clutch plate on the surface
plate and measure the amount of warp
using a feeler gauge.
If the warp be-
yonds the serviceable limit, replace the
clutch plate.
3. Measure the clutch spring.
Measure the free length of the clutch
spring with a vernier caliper and replace
if beyond the serviceable limit.
4. Inspect the rivets mounting the clutch
outer to the driven gear for looseness,
and replace the clutch outer if any of
rivets are loose.
C. Reassembly
1. Assemble the clutch lifter rod into the
main shaft so that the spherical end is
toward the right side.
2. Apply grease to the clutch lifter and
assemble it to the left crankcase cover
together with the adjuster. Tighten the
lock bolt and reconnect the clutch cable
to the clutch lifter.
3. Install the clutch !if ter rod, set the steel
ball into the clutch !if ter, and mount
the left crankcase cover with four 6mm
screws.
Fig. 113 <D Friction disc @ Vernier caliper
Fig. 114 <D Clutch plate @ Feeler gauge
Fig. 115 <D Driven gear ® Rivets
@ Clutch outer
Fig . 116 <D Clutch lifter @ Adjuster
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