ENGINE 340
These plates are expendable: they are meant to be replaced
when found worn down or distorted to the respective limit:
use a caliper to check thickness and a thickness gauge and
surface plate to
check distortion.
09900-20101
:
Vernier calipers
09900-20803
:
Thickness gauge
Unit: mm (in)
I I
1 I
Service Limit
Drive plate
No. 1 No. 2
Driven plate
Thickness
I
Distortion
( - ( - ( 0.1 (0.004) 1
Claw width
15.0
15.0
(0.59)
(0.59)
CLUTCH SPRING FREE LENGTH
Measure the free length of each coil spring with a vernier
calipers, 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
No. 1
:
24.6 mm (0.97 in)
No. 2
:
23.3 mm (0.92 in)
CLUTCH BEARING
Inspect clutch push piece 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.
Classic Cycles Technical Resources
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