Yamaha 2004 WR250FS Owner's Service Manual page 243

È
É
È
È
É
FRONT BRAKE AND REAR BRAKE
É
EC5A3000
REMOVAL POINTS
Brake fluid
1. Remove:
[Front]
• Brake master cylinder cap 1
[Rear]
• Brake master cylinder cap 1
• Protector
NOTE:
Do not remove the diaphragm.
È Front
É Rear
2. Connect the transparent hose 2 to the
bleed screw 1 and place a suitable con-
tainer under its end.
È Front
É Rear
3. Loosen the bleed screw and drain the
brake fluid while pulling the lever in or
pushing down on the pedal.
CAUTION:
• Do not reuse the drained brake fluid.
• Brake fluid may erode painted surfaces or
plastic parts. Always clean up spilled
fluid immediately.
Brake caliper piston
1. Remove:
• Brake caliper piston
Use compressed air and proceed care-
fully.
WARNING
• Cover piston with rag and use extreme
caution when expelling piston from cylin-
der.
• Never attempt to pry out piston.
Caliper piston removal steps:
• Insert a piece of rag into the brake caliper
to lock one brake caliper.
• Carefully force the piston out of the brake
caliper cylinder with compressed air.
È Front
É Rear
5 - 15
CHAS