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 YZFR6X(C) 2008 Service Manual

Yamaha motorcycle
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Soft or spongy feeling → Bleed the brake
system.
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" on page 3-25.
EAS22700
REMOVING THE REAR BRAKE MASTER
CYLINDER
NOTE:
Before removing the rear brake master cylin-
der, drain the brake fluid from the entire brake
system.
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
EAS22740
INSTALLING THE REAR BRAKE MASTER
CYLINDER
1. Install:
EWA13530
Proper brake hose routing is essential to
insure safe vehicle operation. Refer to
1
"CABLE ROUTING" on page 2-45.
2
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:
4-39
WARNING
ponents should be cleaned and lubricated
with clean or new brake fluid.
components.
Recommended fluid
DOT 4
• Rear brake hose "1"
• Copper washers "2"
• 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
New
a
3
2
New

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Yzfr6x 2008R6 2008

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