Yamaha WR400F(M) Owner's Service Manual page 474

Wr series
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Å
ı
Å
Å
ı
FRONT BRAKE AND REAR BRAKE
ı
EC5A3000
REMOVAL POINTS
EC5A3100
Brake fluid
1. Remove:
[Front]
Master cylinder cap 1
[Rear]
Master cylinder guard 1
Reservoir tank cap 2
NOTE:
Do not remove the diaphragm.
Å Front
ı Rear
2. Connect the transparent hose 1 to the
bleed screw 2 and place a suitable con-
tainer under its end.
Å Front
ı 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.
EC533301
Caliper piston
1. Remove:
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 caliper to lock
one caliper.
Carefully force the piston out of the caliper
cylinder with compressed air.
Å Front
ı Rear
5 - 14
CHAS

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This manual is also suitable for:

2000 wr450f2000 wr450fmWr450 m 2000Wr400f

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