- Visually check the brake disc for damage or cracks.
- Measure the thickness with a micrometer.
- Replace the disc if the thickness is less than the service limit or if damage is found.
- Front disc thickness: Service Limit: 4.5 mm (0.18 in)
- 09900-20205: Micrometer (0 - 25 mm)
- Remove the brake calipers. (9-52 and 9-63)
- Measure the runout with a dial gauge.
- Replace the disc if the runout exceeds the service limit.
- Front disc runout: Service Limit: 0.30 mm (0.012 in)
- 09900-20607: Dial gauge (1/100 mm)
- 09900-20701: Magnetic stand
- Brake disc removal (9-9 and 9-35)
- Brake disc installation (9-12 and 9-38)