Yamaha YZF-R1B 2012 Service Manual page 198

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
8. Check:
• Brake lever operation
Soft or spongy feeling → Bleed the brake
system.
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" on page 3-17.
EAS22300
REMOVING THE FRONT BRAKE CALIPERS
The following procedure applies to both of the
brake calipers.
TIP
• Remove the front speed sensor first to pre-
vent damage to the front speed sensor.
• Before removing the brake caliper, drain the
brake fluid from the entire brake system.
1. Remove:
• Front speed sensor
• Union bolt "1"
• Washers "2"
• Brake hose "3"
TIP
Put the end of the brake hose into a container
and pump out the brake fluid carefully.
EAS22360
DISASSEMBLING THE FRONT BRAKE
CALIPERS
The following procedure applies to both of the
brake calipers.
1. Remove:
• Brake caliper pistons "1"
• Brake caliper piston dust seals "2"
• Brake caliper piston seals "3"
email: info@motomatrix.co.uk
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Secure the right side brake caliper pistons
with a piece of wood "a".
b. Blow compressed air into the brake hose
joint opening "b" to force out the left side
pistons from the brake caliper.
EWA14B1002
WARNING
• Never try to pry out the brake caliper pis-
tons.
• Do not loosen the bolts "3".
c. Remove the brake caliper piston dust seals
and brake caliper piston seals.
d. Cover the left piston with a cloth so that air
does not leak from it and repeat the above
procedure (a)–(c), and then push out the
right piston from the brake caliper.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
4-39
FRONT BRAKE