Yamaha WR426F(N) Owner's Service Manual page 576

Å
ı
Å
Å
Å
FRONT BRAKE AND REAR BRAKE
ı
ı
ı
EC533402
Piston seal kit
1. Remove:
Dust seal 1
Piston seal 2
NOTE:
Remove the piston seals and dust seals by
pushing them with a finger.
CAUTION:
Never attempt to pry out piston seals and
dust seals.
WARNING
Replace the piston seals and dust seals
whenever a caliper is disassembled.
Å Front
ı Rear
EC5A4000
INSPECTION
EC534112
Master cylinder
1. Inspect:
Master cylinder inner surface a
Wear/scratches
inder assembly.
Stains
WARNING
Use only new brake fluid.
Å Front
ı Rear
2. Inspect:
Diaphragm 1
Crack/damage
Å Front
ı Rear
3. Inspect:
Master cylinder piston 1
Master cylinder cup 2
Wear/damage/score marks
master cylinder kit.
Å Front
ı Rear
5 - 16
CHAS
Replace master cyl-
Clean.
Replace.
Replace