15. REAR BRAKE/REAR FORK/REAR WHEEL/REAR SHOCK ABSORBER DINK 50/125 BRAKE DISC INSPECTION Visually inspect the brake disc for damage or cracks. Measure the brake disc thickness. Service limits: 3 mm (0.12 in) Replace the brake disc if the smallest measurement is less than the service limit. Measure the brake disc warpage. Service limits: 0.3 mm (0.012 in) 15-11