Yamaha Yzf R1 2007 Manual

REAR WHEEL
4-19
WARNING
EWA13500
Make sure the brake hose is routed prop-
erly.
Rear wheel axle nut
150 Nm (15.0 m·kg, 108 ft·lb)
Rear brake caliper bolt (front 
side)
27 Nm (2.7 m·kg, 20 ft·lb)
Rear brake caliper bolt (rear 
side)
22 Nm (2.2 m·kg, 16 ft·lb) 

FRONT BRAKE
4-20
EAS22210
FRONT BRAKE
Removing the front brake pads
Order Job/Parts to remove Q’ty Remarks
1 Brake hose holder 1
2 Front brake caliper 1
3 Brake pad clip 4
4 Brake pad pin 2
5 Brake pad spring 2
6 Brake pad 4
7 Bleed screw 1
For installation, reverse the removal proce-
dure. 

FRONT BRAKE
4-21
Removing the front brake master cylinder
Order Job/Parts to remove Q’ty Remarks
Brake fluidDrain.
Refer to BLEEDING THE HYDRAULIC 
BRAKE SYSTEM on page 3-25.
1 Stopper 1
2 Brake fluid reservoir cap 1
3 Brake fluid reservoir diaphragm holder 1
4 Brake fluid reservoir diaphragm 1
5 Brake fluid reservoir tank 1
6 Brake fluid reservoir hose 1
7Brake lever 1
8 Front brake light switch lead connector 1 Disconnect.
9 Union bolt 1
10 Copper washer 2
11 Brake hose 1
12 Brake master cylinder...

FRONT BRAKE
4-22
Disassembling the front brake master cylinder
Order Job/Parts to remove Q’ty Remarks
1 Brake master cylinder kit 1
2 Bleed screw 1
3 Brake master cylinder body 1
For assembly, reverse the disassembly pro-
cedure. 

FRONT BRAKE
4-23
Removing the front brake calipers
Order Job/Parts to remove Q’ty Remarks
Brake fluidDrain.
Refer to BLEEDING THE HYDRAULIC 
BRAKE SYSTEM on page 3-25.
1 Union bolt 1
2 Copper washer 2
3 Brake hose 1
4 Brake caliper 1
For installation, reverse the removal proce-
dure. 

FRONT BRAKE
4-24
Disassembling the front brake calipers
Order Job/Parts to remove Q’ty Remarks
1 Brake pad clip 4
2 Brake pad pin 2
3 Brake pad spring 2
4 Brake pad 4
5 Brake caliper piston 6
6 Brake caliper piston seal 12
7 Bleed screw 1
For assembly, reverse the disassembly pro-
cedure. 

FRONT BRAKE
4-25
EAS22220
INTRODUCTION
WARNING
EWA14100
Disc brake components rarely require dis-
assembly. Therefore, always follow these 
preventive measures:
 Never disassemble brake components 
unless absolutely necessary.
 If any connection on the hydraulic brake 
system is disconnected, the entire brake 
system must be disassembled, drained, 
cleaned, properly filled, and bled after 
reassembly.
 Never use solvents on internal brake 
components.
 Use only clean or new brake fluid for 
cleaning...

FRONT BRAKE
4-26
d. Measure the brake disc deflection.
e. If out of specification, repeat the adjust-
ment steps until the brake disc deflection is 
within specification.
f. If the brake disc deflection cannot be 
brought within specification, replace the 
brake disc.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
6. Install:
 Front wheel
Refer to FRONT WHEEL on page 4-8.
EAS22260
REPLACING THE FRONT BRAKE PADS
NOTE:
When replacing the brake pads, it is not neces-
sary to disconnect the brake hose or disas-
semble the...

FRONT BRAKE
4-27
NOTE:
Always install new brake pads and a new 
brake pad spring as a set.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Connect a clear plastic hose “1” tightly to 
the bleed screw “2”. Put the other end of 
the hose into an open container.
b. Loosen the bleed screw and push the 
brake caliper pistons into the brake caliper 
with your finger.
c. Tighten the bleed screw.
d. Install new brake pads and a new brake 
pad spring.
NOTE:
The arrow mark “a” on the brake pad springs 
must point in the...

FRONT BRAKE
4-28
EAS22360
DISASSEMBLING THE FRONT BRAKE 
CALIPERS
The following procedure applies to both of the 
brake calipers.
1. Remove:
 Brake caliper pistons “1”
 Brake caliper piston seals “2”
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Secure the right side brake caliper pistons 
with a piece of wood “a”.
b. Blow compressed air into the brake hose 
joint opening “b” to force out the left side 
pistons from the brake caliper.
WARNING
EWA4C81005
 Never try to pry out the brake caliper pis-
tons.
 Do not...