Assembling The Front Brake Caliper; Installing The Front Brake Caliper - Yamaha WR450FB 2012 Owner's Service Manual

• Brake caliper cylinders "2"
Scratches/wear
4
Replace the brake cali-
per assembly.
• Brake caliper body
"3"
Cracks/damage
4
Replace the brake cali-
per assembly.
• Brake fluid delivery passages
(brake caliper body)
Obstruction
4
Blow out with compressed
air.
EWA13600
j\WARNING
Whenever a brake caliper is disassembled,
replace the piston seals.
2. Check:
• Brake caliper bracket
Cracks/damage
4
Replace.
EAS22400
ASSEMBLINGTHEFRONTBRAKECAL~
PER
EWA13620
A
WARNING
• Before installation, all internal brake com-
ponents should be cleaned and lubricated
with clean or new brake fluid.
FRONT BRAKE
•Union bolt
EWA13530
Front brake caliper bracket
23· Nm (2.3 m·kgf, 17 ft-lbf)
Brake hose union bolt
· 30 Nm (3.0 m·kgf, 22 ft-lbf)
j\
WARNING
Proper brake hose routing is essential to in-
sure safe vehicle operation. Refer to "CA-
BLE ROUTING" on page 2-29.
ECA14170
,_.
______ _
When installing the brake hose onto the
brake caliper "1 ", make sure the brake pipe
"a" touches the projection "b" on the brake
caliper.
b
2. Install:
•Front brake caliper
• Brake pad springs
• Brake pad pin
• Brake hose holder
Brake pad pin
17 Nm (1.7 m·kgf, 12 ft-lbf)
• Never use solvents on internal brake com- Refer to "REPLACING THE FRONT BRAKE
ponents as they will cause the piston seals PADS" on page 5-21.
to swell and distort. 3. Fill:
• Whenever a brake caliper is disassembled, • Brake master cylinder reservoir
replace the brake caliper piston seals. (with the specified amount of the recom-
1 I I
mended brake fluid)
~
_ R
0
ec
0
oTm
4
mended fluid
.__' _ Ll_.__ -------------
j"{Jj
R~~~m 4 mended
fluid
EAS1DX3147
INSTALLING THE FRONT BRAKE CALIPER
1. Install:
•Front brake caliper bracket
• Front brake caliper
(temporarily}
• Copper washersllm
•Brake hose
5-23
EWA13090
j\
WARNING
• Use only the designated brake fluid. Other
brake fluids may cause the rubber seals to
deteriorate, causing leakage and poor
brake performance.