Checking The Front Brake Calipers; Assembling The Front Brake Calipers - Yamaha FZ09E 2014 Service Manual

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a. Secure the right side brake caliper pistons
with a piece of wood "a".
b. Blow compressed air into the brake hose joint
opening "b" to force out the left side pistons
from the brake caliper.
EWA1RC1401
WARNING
• Never try to pry out the brake caliper pis-
tons.
• Do not loosen the bolts "4".
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a
c. Remove the brake caliper piston dust seals
and brake caliper piston seals.
d. Repeat the previous steps to force out the
right side pistons from the brake caliper.
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EAS22391

CHECKING THE FRONT BRAKE CALIPERS

The following procedure applies to both of the
brake calipers.
1 Recommended brake component
Brake pads
Piston seals
Piston dust seals
2
Brake hoses
3
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 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.
EWA13611
WARNING
Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seals
b
and brake caliper piston seals.
EAS22411
ASSEMBLING THE FRONT BRAKE
CALIPERS
EWA13621
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,
4-28
FRONT BRAKE
replacement schedule
If necessary
Every two years
Every two years
Every four years
Every two years and
whenever the brake
is disassembled
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