Checking The Front Brake Calipers; Assembling The Front Brake Calipers; Installing The Front Brake Calipers - Yamaha YZFR6X(C) 2008 Service Manual

b. Remove the brake caliper piston seals and
brake caliper piston dust seals.
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EAS22390

CHECKING THE FRONT BRAKE CALIPERS

Recommended brake component replace-
ment schedule
Brake pads
Piston seals and pis-
ton dust 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.
EWA13S1002
WARNING
Whenever a brake caliper is disassembled,
replace the brake caliper piston seals and
brake caliper piston dust seals.
a
If necessary
Every two years
Every four years
Every two years and
whenever the brake is
disassembled
4-26
FRONT BRAKE
2
1
EAS22410
ASSEMBLING THE FRONT BRAKE CALI-
PERS
EWA13S1003
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.
• Whenever a brake caliper is disassem-
bled, replace the brake caliper piston
seals and brake caliper piston dust seals.
Recommended fluid
DOT 4
EAS22450
INSTALLING THE FRONT BRAKE CALI-
PERS
The following procedure applies to both of the
brake calipers.
1. Install:
• Front brake caliper "1"
(temporarily)
• Copper washers
• Front brake hose "2"
• Front brake hose union bolt "3"
Front brake hose union bolt
30 Nm (3.0 m·kg, 22 ft·lb)
EWA13530
WARNING
Proper brake hose routing is essential to
insure safe vehicle operation. Refer to
"CABLE ROUTING" on page 2-45.
3
2
1
New