Yamaha YZ250F(R) Owner's Service Manual page 220

Å
FRONT BRAKE AND REAR BRAKE
ı
Brake caliper
1. Inspect:
Brake caliper cylinder inner surface a
●
Wear/score marks → Replace brake
caliper assembly.
Å Front
ı Rear
2. Inspect:
Brake caliper piston 1
●
Wear/score marks → Replace brake
caliper piston assembly.
WARNING
Replace the piston seals and dust seals 2
whenever a caliper is disassembled.
EC534301
Brake hose
1. Inspect:
Brake hose 1
●
Crack/damage → Replace.
EC5A5000
ASSEMBLY AND INSTALLATION
WARNING
All internal parts should be cleaned in
●
new brake fluid only.
Internal parts should be lubricated with
●
brake fluid when installed.
Replace the piston seals and dust seals
●
whenever a caliper is disassembled.
Brake caliper piston
1. Clean:
Brake caliper
●
Piston seal
●
Dust seal
●
Brake caliper piston
●
Clean them with brake fluid.
5 - 16
CHAS