Checking The Rear Brake Caliper - Yamaha 2012 TMAX XP500A Service Manual

EAS22601
DISASSEMBLING THE REAR BRAKE CALI-
PER
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.
EWA13550
WARNING
• 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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EAS22642

CHECKING THE REAR BRAKE CALIPER

Recommended brake component replace-
ment schedule
Brake pads
Piston seal
Piston dust seal
Brake hoses
Brake fluid
1. Check:
• Brake caliper piston "1"
Rust/scratches/wear → Replace the
brake caliper piston.
• Brake caliper cylinder "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.
EWA59C1403
WARNING
Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seal
and brake caliper piston seal.
2. Check:
• Brake caliper bracket "1"
Cracks/damage → Replace.
4-60
REAR BRAKE
If necessary
Every two years
Every two years
Every four years
Every two years and
whenever the brake is
disassembled