Clutch parts inspection

Refer to “clutch removal” and “clutch installation” .

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 the drive plate thickness is found to have reached the limit, replace it with a new one.

Special tool (a): 09900–20102 (vernier calipers
(200 mm))

Measure the claw width of drive plates with a vernier calipers. Replace the drive plates found to have worn down to the limit.

Special tool (a): 09900–20102 (vernier calipers
(200 mm))

Measure each driven plate for distortion with a thickness gauge and surface plate.

Replace driven plates which exceed the limit.

Special tool (b): 09900–20803 (thickness gauge)

Measure the free length of each coil spring with a vernier calipers, and compare the length with the specified limit.

Replace all the springs if any spring is not within the limit.

Special tool (a): 09900–20102 (vernier calipers
(200 mm))

Inspect the clutch release bearing for any abnormality, especially cracks. When removing the bearing from the clutch, decide whether it can be reused or if it should be replaced.

Smooth engagement and disengagement of the clutch depends on the condition of this bearing.

Inspect the push rod for wear and damage.

If any defects are found, replace the push rod with a new one.

Inspect the slot of the clutch sleeve hub and primary driven gear assembly for damage or wear caused by the clutch plates. If necessary, replace it with a new one.

Measure the free height “a” of each wave spring washer with a vernier calipers.

If each wave spring washer height “a” is not within the specified limit, replace it with a new one.

Special tool : 09900–20102 (vernier calipers (200
mm))

Inspect the clutch lifter drive cam and clutch lifter driven cam for wear and damage. If any defects are found, replace the clutch lifter drive cam or clutch lifter driven cam.