Master Cylinder - Suzuki GN125F Service Manual

Tighten the brake hose union bolt to the specific torque.
Brake hose union bolt: 20~25 N•m
Bleed air from the brake fluid circuit after reassembly the
cliper. (Refer to page 2-13)
Brake fluid, if it leaks, will interfere with safe running
and immediately discolor painted surfaces.
Check the brake hoses for cracks and hose joint for
leakage before riding.

MASTER CYLINDER

REMOVAL AND DISASSEMBLY
Place a cloth underneath the union bolt on the master
cylinder to catch spilled drops of brake fluid.
Unscrew the union bolt and disconnect the brake hose from
the master cylinder joint.
Remove two clamp bolts and take off the master cylinder.
Immediately and completely wipe off any brake fluid
contacting any part of the motorcycle. The fluid reacts
chemically with paint, plastics, rubber materials, etc.
and will damage them severely.
Remove two fitting screws, and remove the cap and
diaphragm.
Drain the brake fluid.
Remove the dust seal boot.
Remove the circlip, piston and spring by using the special
tool.
09900-06108: Snap ring pliers
CHASSIS
5-22