brake pads YAMAHA YZF-R1SC 2004 User Guide

4-20
FRONT AND REAR BRAKESCHAS
NOTE:
NOTE: REPLACING THE REAR BRAKE PADS
When replacing the brake pads, it is not neces-
sary to disconnect the brake hose or disas-
semble the brake caliper.
1. Remove :

screw plug
1

brake pad pin 2

brake caliper 3

brake pad spring
2. Remove :

brake pads
1
(along with the brake pad shims 2)
3. Measure :

brake pad wear limit
a
Out of specification
Replace the brake
pads as a set.
Brake pad wear limit
1.0 mm (0.04 in)
4. Install :

brake pad shims
(onto the brake pads)

brake pads

brake pad spring
Always install new brake pads, brake pad
shims, and a brake pad spring as a set.
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4-39
A
B
FRONT AND REAR BRAKESCHAS
WARNING
EAS00633
CHECKING THE FRONT AND REAR BRAKE
CALIPERS
Recommended brake component
p
replacement schedule
Brake padsIf necessary
Piston sealsEvery two years
Brake hosesEvery four years
Brake fluidEvery two years
and whenever the
brake is disas-
sembled
1. Check:

brake caliper pistons
1
Rust / scratches / wear
Replace the brake
caliper pistons.

brake caliper cylinders
2
Scratches / wear
Replace the brake cali-
per assembly.

brake caliper body
3
Cracks / damage
Replace the brake cali-
per assembly.

brake fluid delivery passages
(brake caliper body)
Obstruction
Blow out with compressed air.
Whenever a brake caliper is disassembled,
replace the brake caliper piston seals.
AFront
BRear
2. Check:

brake caliper bracket
1
Cracks / damage
Replace.
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4-40
FRONT AND REAR BRAKESCHAS
WARNING
35 Nm (3.5 m
kg, 25 ft
lb)
30 Nm (3.0 m
kg, 22 ft
lb)
6 Nm (0.6 m
kg, 4.3 ft
lb)
WARNING
CAUTION:
EAS00640
ASSEMBLING AND INSTALLING THE
FRONT BRAKE CALIPERS
The following procedure applies to both of the
brake calipers.

Before installation, all internal brake com-
ponents should be cleaned and lubricated
with clean or new brake fluid.

Never use solvents on internal brake com-
ponents as they will cause the piston seals
to swell and distort.

Whenever a brake caliper is disassembled,
replace the brake caliper piston seals.
Recommended brake fluid
DOT 4
1. Install :

brake pads

brake pad spring

brake pad pin
2. Install:

brake caliper
1

copper washers New

brake hose
2

union bolt 3

brake hose holder
Proper brake hose routing is essential to in-
sure safe motorcycle operation. Refer to
“CABLE ROUTING”.
When installing the brake hose onto the
brake caliper
1, make sure the brake pipe a
touches the projection b on the brake cali-
per.
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