REAR BRAKE
4-70
WARNING
EWA13550
• 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.
EAS30188
CHECKING THE REAR BRAKE CALIPER
1. Check:
• Brake caliper piston
Rust/scratches/wear
→
Replace the brake
caliper piston.
• Brake caliper cylinder
Scratches/wear
→
Replace the brake caliper
assembly.
• Brake caliper body
Cracks/damage
→
Replace the brake caliper
assembly.
• Brake fluid delivery passages
(brake caliper body)
Obstruction
→
Blow out with compressed air.
WARNING
EWA13601
Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seal
and brake caliper piston seal.
2. Check:
• Rear brake caliper bracket
Cracks/damage
→
Replace.
Refer to “REAR WHEEL” on page 4-43.
EAS30189
ASSEMBLING THE REAR BRAKE CALIPER
WARNING
EWA17080
• 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 seal and brake caliper piston
seal to swell and distort.
• Whenever a brake caliper is disassembled,
replace the brake caliper piston dust seal
and brake caliper piston seal.
EAS30190
INSTALLING THE REAR BRAKE CALIPER
1. Install:
• Rear brake caliper
(temporarily)
• Brake hose gaskets
• Brake hose
• Brake hose union bolt
WARNING
EWA13531
Proper brake hose routing is essential to in-
sure safe vehicle operation.
NOTICE
ECA19080
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.
Recommended brake component
replacement schedule
Brake pads
If necessary
Piston seal
Every two years
Piston dust seal
Every two years
Brake hoses
Every four years
Brake fluid
Every two years and
whenever the brake is
disassembled
a
Specified brake fluid
DOT 4
T
R
.
.
Rear brake hose union bolt
32 N·m (3.2 kgf·m, 24 lb·ft)
New
Summary of Contents for YZF-R1
Page 2: ......
Page 6: ......
Page 8: ......
Page 38: ...SPECIAL TOOLS 1 29 ...
Page 55: ...TIGHTENING TORQUES 2 16 ...
Page 60: ...CABLE ROUTING 2 21 Frame rear right side view B A C D 2 1 2 3 4 5 6 7 ...
Page 82: ...CABLE ROUTING 2 43 Front brake hose left side view A 1 1 1 1 2 2 2 3 3 3 4 4 4 3 4 ...
Page 86: ...CABLE ROUTING 2 47 Fuel tank top and left side view A B 1 2 3 4 5 2 5 ...
Page 92: ...CABLE ROUTING 2 53 Air cut off valve right side view A B C C D E 1 2 2 3 3 3 4 4 5 5 5 6 7 ...
Page 100: ...CABLE ROUTING 2 61 Muffler top and left side view 1 1 2 3 3 4 5 5 6 6 4 4 5 6 5 6 A ...
Page 104: ...CABLE ROUTING 2 65 ...
Page 107: ......
Page 144: ...PERIODIC MAINTENANCE 3 37 ...
Page 149: ......
Page 171: ...GENERAL CHASSIS 5 4 22 T R Front muffler protector bolt 7 N m 0 7 kgf m 5 2 lb ft b b a a 1 ...
Page 280: ...CHAIN DRIVE 4 131 ...
Page 336: ...ELECTRIC STARTER 5 53 1 2 3 a b ...
Page 406: ...WATER PUMP 6 17 ...
Page 432: ...AIR INDUCTION SYSTEM 7 25 ...
Page 435: ......
Page 441: ...IGNITION SYSTEM 8 6 ...
Page 449: ...CHARGING SYSTEM 8 14 ...
Page 453: ...LIGHTING SYSTEM 8 18 ...
Page 488: ...ELECTRICAL COMPONENTS 8 53 ...
Page 497: ......
Page 507: ...SYSTEM DIAGRAM 9 10 ...
Page 525: ...STEERING DAMPER SYSTEM 9 28 ...
Page 800: ...91_ABS 9 303 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 801: ...91_ABS 9 304 ...
Page 804: ......
Page 805: ......
Page 806: ......