Sym DD 50 Service Manual

11. BRAKE SYSTEM
11-8
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.
Rubber pad
Brake hose
Clip
Master cylinder
Piston
Master cylinder
Micrometer
Brake disc
Spring
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Sym DD 50 Specifications

General

Brand	Sym
Model	DD 50
Category	Scooter
Language	English