Disc Brake - KYMCO AK 550 Service Manual

10..Brake System
AK 550

Disc Brake

SAFETY FIRST: Protective gloves and eyewear are recommended at this point.
Inspection
Measure the thickness of the brake rotor with a micrometer.
Item Standard mm
5
Brake disk thickness (rear)
Brake disk thickness (front) 4.5
Check if the brake rotor runout is within the service limit.
Measure the runout of the brake disc with a dial gauge. If the reading
is out of specification remove the disc from the wheel and recheck.
Item Standard mm (in) Service Limited
Brake disc runout — 0.03 (0.012)
10-19