Yamaha XVS1300A 2007 - Removing the Front Brake Master Cylinder; Checking the Front Brake Master Cylinder; Assembling the Front Brake Master Cylinder

FRONT BRAKE
4-29
• Refill with the same type of brake fluid that
is already in the system. Mixing brake fluids
may result in a harmful chemical reaction,
leading to poor brake performance.
• When refilling, be careful that water does
not enter the brake master cylinder reser-
voir. Water will significantly lower the boil-
ing point of the brake fluid and could cause
vapor lock.
CAUTION:
ECA13540
Brake fluid may damage painted surfaces
and plastic parts. Therefore, always clean up
any spilt brake fluid immediately.
5. Bleed:
• Brake system
Refer to “BLEEDING THE HYDRAULIC
BRAKE SYSTEM” on page 3-21.
6. Check:
• Brake fluid level
Below the minimum level mark “a” → Add the
recommended brake fluid to the proper level.
Refer to “CHECKING THE BRAKE FLUID
LEVEL” on page 3-20.
7. Check:
• Brake lever operation
Soft or spongy feeling → Bleed the brake sys-
tem.
Refer to “BLEEDING THE HYDRAULIC
BRAKE SYSTEM” on page 3-21.
EAS22490
REMOVING THE FRONT BRAKE MASTER
CYLINDER
NOTE:
Before removing the front brake master cylinder,
drain the brake fluid from the entire brake sys-
tem.
1. Remove:
• Front brake hose union bolt “1”
• Copper washers “2”
• Front brake hose “3”
NOTE:
To collect any remaining brake fluid, place a
container under the master cylinder and the end
of the brake hose.
EAS22500
CHECKING THE FRONT 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 master cylinder reservoir
Cracks/damage → Replace.
• Brake master cylinder reservoir diaphragm
Damage/wear → Replace.
4. Check:
• Brake hoses
Cracks/damage/wear → Replace.
EAS22520
ASSEMBLING THE FRONT BRAKE MASTER
CYLINDER
WARNING
EWA13520
• 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.
LOWER
a
Recommended fluid
DOT 4
1
2
3
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