Yamaha TT-R125E(R) Owner's Service Manual page 434

FRONT BRAKE (TT-R125LWE)
Brake caliper piston seal kit
1. Remove:
NOTE:
Remove the brake caliper piston seals and
brake caliper dust seals by pushing them with
a finger.
CAUTION:
Never attempt to pry out brake caliper pis-
ton seals and brake caliper dust seals.
Replace the brake caliper piston seals and
brake caliper dust seals whenever a brake
caliper is disassembled.
INSPECTION
Brake master cylinder
1. Inspect:
Use only new brake fluid.
2. Inspect:
3. Inspect:
5 - 15
Brake caliper dust seal 1
G
Brake caliper piston seal 2
G
WARNING
Brake master cylinder inner surface a
G
Wear/scratches → Replace brake mas-
ter cylinder assembly.
Stains → Clean.
WARNING
Diaphragm 1
G
Crack/damage → Replace.
Brake master cylinder piston 1
G
Brake master cylinder cup 2
G
Wear/damage/score marks → Replace
brake master cylinder kit.
CHAS