Clutch disc minimum depth
0.3 mm {0.012 in}
If it is less than the minimum specification, replace the clutch disc.
1. Remove the clutch disc.
2. Inspect the lining surface for discoloration and grease/oil contamination.
3. Inspect the torsion spring for weakness and the rivet for looseness.
4. Using a vernier caliper, measure the depth between the lining surface and the rivet head.
Clutch disc minimum depth
0.3 mm {0.012 in}
If it is less than the minimum specification, replace the clutch disc.
5. Measure the clutch disc runout using a dial gauge.
Clutch disc maximum runout
0.7 mm {0.028 in}
If it exceeds the maximum specification, replace the clutch disc.
6. Install the clutch disc.