Yamaha 2004 YP400 Service Manual page 176

FRONT AND REAR BRAKES
EAS00619
DISASSEMBLING THE FRONT BRAKE
CALIPER
NOTE:
_
Before disassembling the brake caliper, drain
the brake fluid from the entire brake system.
1. Remove:
• union bolt 1
• copper washers 2
• brake hose 3
NOTE:
_
Put the end of the brake hose into a container
and pump out the brake fluid carefully.
2. Remove:
• brake caliper pistons 1
• dust seals 2
• brake caliper piston seals 3
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a. Blow compressed air into the brake hose
joint opening a to force out the pistons
from the brake caliper.
WARNING
_
• Cover the brake caliper pistons with a
rag. Be careful not to get injured when the
pistons are expelled from the brake cali-
per.
• Never try to pry out the brake caliper pis-
tons.
b. Remove the brake caliper piston seals.
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EAS00626
DISASSEMBLING THE REAR BRAKE
CALIPER
NOTE:
_
Before disassembling the brake caliper, drain
the brake fluid from the entire brake system.
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