Brake Disc Inspection; Brake Master Cylinder - SANYANG INDUSTRY CO. SYM Service Manual

13. BRAKE
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
CAUTION
Do not let grease touch to the brake disc
that will cause brake performance.
Do not clean the brake lining with air gun.
Operator should wear mask & glove and
use vacuum cleaner to clean the brake
lining.

BRAKE MASTER CYLINDER

Removal
CAUTION
Do not let foreign materials enter into the
cylinder.
CAUTION
The whole set of master cylinder, piston,
spring, diaphragm and circlip should be
replaced after removal.
Remove the front and rear handlebar
guards.
Remove the leads of brake lamp 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 circlip.
Remove the piston and the spring.
Clean the master cylinder with
recommended brake fluid.
13-8
brake disc
brake hose
circlip
rubber boot
piston
rubber spring
washer
SYM
micrometer
bolts x2
brake lamp
switch
master
cylinder