Yamaha YZ85(R)/LC Owner's Service Manual page 354

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FRONT BRAKE AND REAR BRAKE
É
5PA50370
É
5PA50380
É
5PA50390
É
5PA50400
5PA50410
EC5A4000
INSPECTION
Brake master cylinder
1. Inspect:
Brake master cylinder inner surface a
G
Wear/scratches → Replace master cylin-
der assembly.
Stains → Clean.
WARNING
Use only new brake fluid.
È Front
É Rear
2. Inspect:
Diaphragm 1
G
Crack/damage → Replace.
È Front
É Rear
3. Inspect:
Brake master cylinder piston 1
G
Brake master cylinder cup 2
G
Wear/damage/score marks → Replace
brake master cylinder kit.
È Front
É Rear
Brake caliper
1. Inspect:
Brake caliper cylinder inner surface a
G
Wear/score marks → Replace brake cali-
per assembly.
È Front
É Rear
2. Inspect:
Brake caliper piston 1
G
Wear/score marks → Replace brake cali-
per piston assembly.
WARNING
Replace the piston seals and dust seals 2
whenever a caliper is disassembled.
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CHAS