Checking The Rear Brake Caliper (Yp125R); Checking The Rear Brake Caliper (Yp250R) - Yamaha 2010 XMAX YP125R Service Manual

M MMM M MMM M M MMM M
a. Blow compressed air into the brake hose joint
opening "a" to force out the pistons 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 seals
and brake caliper piston seals.
L LLL L LLL L L LLL L
EAS37P1132
CHECKING THE REAR BRAKE CALIPER
(YP125R)
Recommended brake component replace-
ment schedule
Brake pads
Brake hose
Brake fluid
1. Check:
• Brake caliper pistons "1"
Rust/scratches/wear → Replace the brake
caliper assembly.
• Brake caliper body "2"
Cracks/damage → Replace the brake caliper
assembly.
• Brake fluid delivery passages
(brake caliper body)
Obstruction → Blow out with compressed air.
M MMM M M MMM M M MMM M
a
L LLL L L LLL L L LLL L
If necessary
Every four years
Every two years and
whenever the brake
is disassembled
MMM
EAS22640
CHECKING THE REAR BRAKE CALIPER
(YP250R)
Recommended brake component replace-
Brake pads
Piston seals
Piston dust seals
Brake hose
Brake fluid
LLL
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.
EWA37P1014
WARNING
Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seals
and brake caliper piston seals.
4-40
REAR BRAKE
2
ment schedule
If necessary
Every two years
Every two years
Every four years
Every two years and
whenever the brake
is disassembled
1