Yamaha YZF-R1B 2012 Service Manual page 199

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
EAS22390
CHECKING THE FRONT BRAKE CALIPERS
Recommended brake component replace-
ment schedule
Brake pads
Piston dust seals and
piston seals
Brake hoses
Brake fluid
1. Check:
• Brake caliper pistons "1"
Rust/scratches/wear → Replace the
brake caliper pistons.
• Brake caliper cylinders "2"
Scratches/wear → Replace the brake cal-
iper assembly.
• Brake caliper body "3"
Cracks/damage → Replace the brake
caliper assembly.
• Brake fluid delivery passages
(brake caliper body)
Obstruction → Blow out with compressed
air.
EWA14B1003
WARNING
Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seals
and piston seals.
EAS22410
ASSEMBLING THE FRONT BRAKE CALI-
PERS
EWA14B1004
WARNING
• Before installation, all internal brake com-
ponents should be cleaned and lubricated
with clean or new brake fluid.
• Never use solvents on internal brake
components as they will cause the piston
seals to swell and distort.
email: info@motomatrix.co.uk
If necessary
Every two years
Every four years
Every two years and
whenever the brake is
disassembled
• Whenever a brake caliper is disassem-
bled, replace the brake caliper piston dust
seals and brake caliper piston seals.
Recommended fluid
DOT 4
EAS22450
INSTALLING THE FRONT BRAKE CALI-
PERS
The following procedure applies to both of the
brake calipers.
1. Install:
• Brake pads
• Brake pad springs
• Brake pad pins
2. Install:
• Brake caliper "1"
• Copper washers
• Brake hose "2"
• Union bolt "3"
• Front speed sensor
• Brake hose holder
Front brake caliper bolt
35 Nm (3.5 m·kgf, 25 ft·lbf)
Front brake hose union bolt
30 Nm (3.0 m·kgf, 22 ft·lbf)
Front speed sensor bolt
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Front brake hose holder
6 Nm (0.6 m·kgf, 4.3 ft·lbf)
EWA13530
WARNING
Proper brake hose routing is essential to
insure safe vehicle operation. Refer to
"CABLE ROUTING" on page 2-49.
ECA14170
When installing the brake hose onto the
brake caliper "1", make sure the brake pipe
4-40
FRONT BRAKE
New