Yamaha WR250FR 2002 Owner's Service Manual page 243

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