Yamaha WR250F(N) Owner's Service Manual page 500

Å
FRONT BRAKE AND REAR BRAKE
ı
Brake caliper
1. Inspect:
Brake caliper cylinder inner surface a
Wear/score marks
caliper assembly.
Å Front
ı Rear
2. Inspect:
Brake caliper piston 1
Wear/score marks
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
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 - 17
CHAS
Replace brake
Replace brake
Replace.