Checking The Front Brake Caliper; Assembling The Front Brake Caliper; Installing The Front Brake Caliper - Yamaha MBK X-MAX 300 2017 Service Manual

a
1
b. Remove the brake caliper piston dust
seals and brake caliper piston seals.
EAS30173

CHECKING THE FRONT BRAKE CALIPER

Recommended brake component replacement
schedule
Brake pads
Piston seals
Piston dust seals
Brake hose
Brake fluid
1. Check:
• Brake caliper pistons "1"
Rust/scratches/wear → Replace the brake
caliper piston.
• 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.
EWA17070
WARNING
Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seal
and brake caliper piston seal.
2
If necessary
Every two years
Every two years
Every four years
Every two years and
whenever the brake is
disassembled
3
1
1
2. Check:
• Brake caliper bracket
Cracks/damage → Replace.
EAS30174

ASSEMBLING THE FRONT BRAKE CALIPER

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,
replace the brake caliper piston dust seals
and brake caliper piston seals.
Specified brake fluid
DOT 4
EAS30934

INSTALLING THE FRONT BRAKE CALIPER

1. Install:
• Front brake caliper "1"
(temporarily)
• Front brake hose/lead guide "2"
• Brake hose gaskets "3"
• Front brake hose "4"
• Front brake hose union bolt "5"
Front brake hose union bolt
(brake caliper side)
29 N·m (2.9 kgf·m, 21 lb·ft)
EWA13531
WARNING
Proper brake hose routing is essential to in-
sure safe vehicle operation.
ECA19080
NOTICE
When installing the brake hose onto the
brake caliper "1", make sure the brake pipe
"a" passes between the projections "b" on
the brake caliper.
4-47
FRONT BRAKE
New