Suzuki GSX-R750, Service Manual

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ENGINE 3-43
CLUTCH
CLUTCH DRIVE PLATES INSPECTION
NOTE:
* Wipe off engine oil from the clutch drive plates with a clean rag.
* Clutch drive plate No.1: Purple paint
* Clutch drive plate No.2: Green paint
• 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.
Drive plate thickness (No.1 and No.2)
Standard: 2.92 – 3.08 mm (0.015 – 0.121 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.
Drive plate claw width (No.1 and No.2)
Service Limit: (No.1 and 2) 12.9 mm (0.508 in)
[
09900-20102: Vernier calipers
CLUTCH DRIVEN PLATES INSPECTION
NOTE:
Wipe off engine oil from the clutch driven plates with a clean rag.
• Measure each driven plate for distortion with a thickness gauge
and surface plate.
• Replace driven plates which exceed the limit.
Driven plate distortion (No.1 and No.2):
Service Limit: 0.10 mm (0.004 in)
[
09900-20803: Thickness gauge
CLUTCH SPRING INSPECTION
• Measure the free length of each coil spring with a vernier cali-
pers, and compare the length with the specified limit.
• Replace all the springs if any spring is not within the limit.
Clutch spring free length:
Service Limit: 51.5 mm (2.028 in)
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09900-20102: Vernier calipers
CLUTCH BEARING INSPECTION
• 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 depends
on the condition of this bearing.