Brake Caliper Piston Seal Kit; Brake Master Cylinder - Yamaha TT-R125(S) Owner's Service Manual

FRONT BRAKE (TT-R125LW/TT-R125LWE)

Brake caliper piston seal kit

1. Remove:
Brake caliper dust seal 1
G
Brake caliper piston seal 2
G
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.
WARNING
Replace the brake caliper piston seals and
brake caliper dust seals whenever a brake
caliper is disassembled.
INSPECTION

Brake master cylinder

1. Inspect:
Brake master cylinder inner surface a
G
Wear/scratches → Replace brake mas-
ter cylinder assembly.
Stains → Clean.
WARNING
Use only new brake fluid.
2. Inspect:
Diaphragm 1
G
Crack/damage → Replace.
3. Inspect:
Brake master cylinder piston 1
G
Brake master cylinder cup 2
G
Wear/damage/score marks → Replace
brake master cylinder kit.
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CHAS