Clutch Drive Plates And Driven Plates; Clutch Spring Free Length; Clutch Bearing - Suzuki Katana 1100 Service Manual

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ENGINE 3-40
CLUTCH DRIVE PLATES AND DRIVEN
PLATES
Clutch plates in service remain in oily condition as they are
lubricated with oil. Because of this condition, both drive and
driven plates are subject to little wearing action and therefore
last much longer. Their life depends largely on the quality of
oil used in the clutch and also on the way the clutch is operated.
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.
09900-20102: Vernier calipers
09900-20803: Thickness gauge
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Standard
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2.52 - 2.68 mm
ness (No.1
&
No.2)
Drive plate thick­
(0.100 - 0.106 in)
Driven plate
distortion
I,
Checking thickness
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Service Limit
2.22 mm
(0.087 in)
0.10 mm
(0.004 in)
Checking distortion
CLUTCH SPRING FREE LENGTH
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Measure the free length of each coil spring with vernier
calipers, and compare the elastic strength of each with the
specified limit. Replace all the springs if anyone of springs is
not within the limit.
Clutch spring free length
Service Limit: 38.1 mm (1.50 in)
CLUTCH BEARING
Inspect the clutch release bearing for any abnormality, particu­
larly cracks, to decide whether it can be reused or should be
replaced.
Smooth engagement and disengagement of the clutch de­
pends much on the condition of this bearing.
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