Master Cylinder Disassembly - Yamaha FZR400 1988-1989 Service Manual

FRONT AND REAR BRAKE pi&E&l
Remove steps:
Blow compressed air into the tube joint
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opening to force out the piston from the
caliper body.
Never try to pry out the piston.
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Cover the piston with a rag. Use care so that
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piston does not cause injury as it is expelled
from the cylinder.

MASTER CYLINDER DISASSEMBLY

NOTE:
Before disassembling the front or rear brake
master cylinders, drain the brake hose, master
cylinder, brake caliper and reservoir tank of
their brake fluid.
Securely support the motorcycle so there is no
danger of it falling over.
Front brake
1. Remove:
Brake lever @I
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Brake switch @
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2. Remove:
Union bolt @
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Copper washer @
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Brake hose @
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Place the open hose end into a container
and pump the old fluid out carefully.