Removing The Rear Brake Master Cylinder; Checking The Rear Brake Master Cylinder; Assembling The Rear Brake Master Cylinder; Installing The Rear Brake Master Cylinder - Yamaha YZFR6V Service Manual

EAS22700
REMOVING THE REAR BRAKE MASTER
CYLINDER
NOTE:
Before removing the rear brake master cylinder,
drain the brake fluid from the entire brake sys-
tem.
1. Remove:
• Rear brake hose union bolt "1"
• Copper washers "2"
• Rear brake hose "3"
NOTE:
To collect any remaining brake fluid, place a
container under the master cylinder and the end
of the brake hose.
3
EAS22720
CHECKING THE REAR BRAKE MASTER
CYLINDER
1. Check:
• Brake master cylinder
Damage/scratches/wear → Replace.
• Brake fluid delivery passages
(brake master cylinder body)
Obstruction → Blow out with compressed air.
2. Check:
• Brake master cylinder kit
Damage/scratches/wear → Replace.
3. Check:
• Brake fluid reservoir
Cracks/damage → Replace.
• Brake fluid reservoir diaphragm
Cracks/damage → Replace.
4. Check:
• Rear brake hose
• Brake fluid reservoir hose
Cracks/damage/wear → Replace.
EAS22730
ASSEMBLING THE REAR BRAKE MASTER
CYLINDER
EWA13520
• Before installation, all internal brake com-
• Never use solvents on internal brake com-
EAS22740
INSTALLING THE REAR BRAKE MASTER
CYLINDER
1. Install:
1
2
EWA13530
Proper brake hose routing is essential to in-
sure safe vehicle operation. Refer to "CABLE
ROUTING" on page 2-47.
ECA14160
CAUTION:
When installing the brake hose onto the
brake master cylinder, make sure the brake
pipe touches the projection "a" as shown.
2. Fill:
4-38
WARNING
ponents should be cleaned and lubricated
with clean or new brake fluid.
ponents.
Recommended fluid
DOT 4
• Rear brake hose "1"
• Copper washers "2" New
• Rear brake hose union bolt "3"
Rear brake hose union bolt
30 Nm (3.0 m·kg, 22 ft·lb)
WARNING
1
• Brake fluid reservoir
(with the specified amount of the recom-
mended brake fluid)
Recommended fluid
DOT 4
REAR BRAKE
a
3
2
New