Yamaha MIO Service Manual page 220

FRONT BRAKE
1. Check:
• brake caliper piston 1
Rust/scratches/wear → Replace the brake
caliper piston.
• brake caliper cylinder 2
Scratches/wear → Replace the brake cali-
per assembly.
• brake caliper body 3
Cracks/damage → Replace the brake cali-
per assembly.
• brake fluid delivery passage
(brake caliper body)
Obstruction → Blow out with compressed
air.
WARNING
_
Whenever a brake caliper is disassembled,
replace the piston seals.
EAS00634
ASSEMBLING AND INSTALLING THE
FRONT BRAKE CALIPER
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.
Recommended brake fluid
DOT 4
NOTE:
_
If DOT 4 brake fluid is not available, DOT 3
brake fluid can be used.
1. Install:
• brake caliper piston seals 1
• brake caliper piston 2
6 - 20
CHAS
New