Removing The Rear Brake Caliper - Yamaha WR450FB 2012 Owner's Service Manual

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Always install new brake pads, brake pad
shims, and a brake pad spring as a set.
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a. Connect a clear plastic hose "1" tightly to the
bleed screw "2". Put the other end of the
hose into an open container.
2
b. Loosen the bleed screw and push the brake
caliper pistons into the brake caliper with
your finger.
c. Tighten the bleed screw.
Bleed screw
6 Nm (0.6 m·kgf, 4.3 ft-lbf)
d. Install a new brake pad shim onto each new
brake pad.
e. Install new brake pads and a new brake pad
spring.
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3. Install:
• Brake pad pin
• Brake pad pin plug
• Rear brake caliper protector
4. Check:
Brake pad pin
17 Nm (1.7 m·kgf, 12 ft-lbf)
Brake pad pin plug
2.5 Nm (0.25 m·kgf, 1.8 ft-lbf)
Rear brake caliper protector
7 Nm (0.7 m·kgf, 5.1 ft-lbf)
•·Brake fluid level
Below the minimum level mark "a"
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Add
the recommended brake fluid to the proper
level.
Refer to "CHECKING THE BRAKE FLUID
LEVEL" on page 3-17.
REAR BRAKE
5. Check:
• Brake pedal operation
Soft or spongy feeling
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Bleed the brake
system.
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" on page 3-20.
EAS22590
REMOVING THE REAR BRAKE CALIPER
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Before disassembling the brake caliper, drain
the brake fluid from the entire brake system.
1. Remove:
•Union bolt
• Copper washers
•Brake hose
TIP _ _ _ _ _ _ _ _ _ _ _ _ _ _
Put the end of the brake hose into a container
and pump out the brake fluid carefully .
EAS22600
rnSASSEMBLINGTHEREARBRAKECAL~
PER
1. Remove:
• Brake caliper piston "1"
• Brake caliper dust seal "2"
• Brake caliper piston seal "3"
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