ENGINE 3-43
CLUTCH
CLUTCH DRIVE AND DRIVEN PLATES
NOTE:
Wipe off the engine oil from the drive and driven plates with a
clean rag.
Measure the thickness of drive plates with a vernier calipers. If
each drive plate is not within the standard range, replace it with a
new one.
! Clutch drive plate thickness
Standard (No.1): 2.92 – 3.08 mm (0.115 – 0.121 in)
(No.2): 3.42 – 3.58 mm (0.135 – 0.141 in)
" 09900-20102: Vernier calipers
Measure the claw width of drive plates with a vernier calipers.
Replace the drive plates found to have worn down to the limit.
! Clutch drive plate claw width (No. 1 & No. 2)
Service Limit: 15.1 mm (0.594 in)
" 09900-20102: Vernier calipers
Measure each driven plate for distortion with a thickness gauge
and surface plate.
Replace driven plates which exceed the limit.
! Clutch driven plate distortion
Service Limit: 0.1 mm (0.004 in)
" 09900-20803: Thickness gauge
CLUTCH SPRING FREE LENGTH
Measure the free length of each coil spring with a vernier cali-
pers, and compare the elastic strength of each with the specified
limit. Replace all the springs if any spring is not within the limit.
! Clutch spring free length
Service Limit: 46 8 mm (1 84 in)
" 09900-20102: Vernier calipers
CLUTCH BEARING
Inspect the clu ch release bearing for any abnormality, particu-
larly cracks, upon removal from the clutch, to decide whether it
can be reused or should be replaced.
Smooth engagement and disengagement of the clutch depends
much on the condition of this bearing.
NOTE:
Thrust washer is located between the pressure plate and thrust
bearing.
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