Assembling The Front Brake Caliper; Installing The Front Brake Caliper - Yamaha WR125R 2009 Service Manual

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• Brake caliper cylinders "2"
Scratches/wear → Replace the brake caliper
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.
EWA22B1005
WARNING
Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seals
and brake caliper piston seals.
2
1
2. Check:
• Front brake caliper bracket
Cracks/damage → Replace.
EAS22400

ASSEMBLING THE FRONT BRAKE CALIPER

EWA22B1006
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 com-
ponents as they will cause the brake caliper
piston dust seals and brake caliper piston
seals to swell and distort.
• Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seals
and brake caliper piston seals.
Recommended fluid
DOT 4
EAS22420

INSTALLING THE FRONT BRAKE CALIPER

1. Install:
• Front brake caliper "1"
(temporarily)
• Copper washers
• Front brake hose "2"
3
2
New
• Brake hose union bolt "3"
Front brake caliper bolt
30 Nm (3.0 m·kgf, 22 ft·lbf)
Brake hose union bolt
30 Nm (3.0 m·kgf, 22 ft·lbf)
EWA13530
WARNING
Proper brake hose routing is essential to in-
sure safe vehicle operation. Refer to "CABLE
ROUTING" on page 2-35.
ECA14170
NOTICE
When installing the brake hose onto the
brake caliper "1", make sure the brake pipe
"a" touches the projection "b" on the brake
caliper.
3
2. Remove:
• Brake caliper
3. Install:
• Brake pads
• Brake pad spring
• Brake pad support
• Brake pad pin
• Front brake caliper
Brake pad pin
18 Nm (1.8 m·kgf, 13 ft·lbf)
LOCTITE®
Front brake caliper bolt
30 Nm (3.0 m·kgf, 22 ft·lbf)
LOCTITE®
Refer to "REPLACING THE FRONT BRAKE
PADS" on page 4-24.
4. Fill:
• Brake master cylinder reservoir
(with the specified amount of the recom-
mended brake fluid)
Recommended fluid
DOT 4
4-26
FRONT BRAKE
2
b
1
a

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Wr125x 2009

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