Brake Disc; Disc Brake - Master Cylinder - Sym DD 50 Service Manual

11. BRAKE SYSTEM

Brake Disc

Inspection
Visually check the brake disc for wear or break.
Measure the thickness of the disc at several
places. Replace the disc if it has exceeded the
service limit.
Allowable limit: 2.0 mm
Remove the brake disc from wheel.
Check the disc for deformation and bend.
Allowable limit: 0.30 mm

Disc Brake - Master Cylinder

Master Cylinder Removal
Caution
Do not let foreign materials enter into the
cylinder.
Caution
The whole set of master cylinder, piston,
spring, diaphragm and cir clip should be
replaced as a set.
Remove the front and rear handlebar covers.
Remove the leads of brake light switch.
Drain out the brake fluid.
Remove the brake lever from the brake master
cylinder.
Remove the brake hose.
Remove the master cylinder seat and the master
cylinder.
Remove the rubber pad.
Remove the cir clip.
Remove the piston and the spring.
Clean the master cylinder with recommended
brake fluid.
11-8
This chapter Contents
Brake disc
Rubber pad
Brake hose
Clip
Piston
Spring
Master cylinder
Micrometer
Master cylinder