Yamaha XSR 2016 - Disassembling the Rear Brake Caliper; Checking the Rear Brake Caliper

REAR BRAKE
4-47
• Brake hose gaskets “2”
• Brake hose “3”
TIP
Put the end of the brake hose into a container
and pump out the brake fluid carefully.
EAS30187
DISASSEMBLING THE REAR BRAKE
CALIPER
1. Remove:
• Brake caliper piston “1”
• Brake caliper piston dust seal “2”
• Brake caliper piston seal “3”
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a. Blow compressed air into the brake hose joint
opening “a” to force out the piston from the
brake caliper.
WARNING
EWA13550
• Cover the brake caliper piston with a rag.
Be careful not to get injured when the pis-
ton is expelled from the brake caliper.
• Never try to pry out the brake caliper pis-
ton.
b. Remove the brake caliper piston dust seal
and brake caliper piston seal.
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EAS30188
CHECKING THE REAR BRAKE CALIPER
1. Check:
• Brake caliper piston “1”
Rust/scratches/wear  Replace the brake
caliper piston.
• Brake caliper cylinder “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.
WARNING
EWA13601
Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seal
and brake caliper piston seal.
3
1
2
1
2
3
Recommended brake component
replacement schedule
Brake pads If necessary
Piston seal Every two years
Piston dust seal Every two years
Brake hoses Every four years
Brake fluid
Every two years and
whenever the brake is
disassembled
a