Checking The Front Brake Calipers; Assembling The Front Brake Calipers - Yamaha Grizzly550 User Manual

TIP
Before disassembling the brake caliper, drain
the brake fluid from the entire brake system.
1. Remove:
• Brake caliper piston "1"
• Brake caliper dust seal "2"
• Brake caliper piston seal "3"
1
M MMM M MMM M M MMM M M MMM M
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.
a
b. Remove the brake caliper dust seal and
brake caliper piston seal.
L LLL L LLL L L LLL L L LLL L
EAS22390

CHECKING THE FRONT BRAKE CALIPERS

The following procedure applies to both of the
brake calipers.
3
2
M MMM M M MMM M MMM
L LLL L L LLL L LLL
4-28
Recommended brake component replace-
ment schedule
Brake pads
Piston seals, dust
seals
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 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.
EWA28P1002
WARNING
Whenever a brake caliper is disassembled,
replace the brake caliper piston seals and
dust seals.
2
EAS22410
ASSEMBLING THE FRONT BRAKE
CALIPERS
The following procedure applies to both of the
brake calipers.
EWA28P1003
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 piston seals
to swell and distort.
FRONT BRAKE
If necessary
Every two years
Every four years
Every two years and
whenever the brake
is disassembled
3
1
techsparkstudio.com