14.HANDLEBAR/FRONT WHEEL/FRONTBRAKE/ FRONT SHOCK ABSORBER/STEERING STEM 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) 14-18