Yamaha TT-R125(V) Owner's Service Manual page 456

FRONT BRAKE (TT-R125LW/TT-R125LWE)
Brake caliper
1. Inspect:
Brake caliper cylinder inner surface a
G
Wear/score marks → Replace brake
caliper assembly.
2. Inspect:
Brake caliper piston 1
G
Wear/score marks → Replace brake
caliper piston assembly.
WARNING
Replace the brake caliper piston seals and
brake caliper dust seals 2 whenever a
brake caliper is disassembled.
3. Inspect:
Brake caliper bracket 1
G
Cracks/damage → Replace the brake
caliper assembly.
Guide pin 2
G
Rust/damage → Replace the brake cal-
iper assembly.
Sleeve boot 3
G
Pin boot 4
G
Wear/damage → Replace.
4. Inspect:
Brake caliper support bolt 1
G
Scorches/rust/damage → Replace.
Brake hose
1. Inspect:
Brake hose 1
G
Crack/damage → Replace.
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CHAS