Checking The Front Brake Master Cylinder; Assembling The Front Brake Master Cylinder; Installing The Front Brake Master Cylinder - Yamaha FJR1300AS(X) Service Manual

• Copper washers "2"
• Brake hose (front brake master cylinder to
brake pipe/lower joint assembly) "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 hose
Cracks/damage/wear → Replace.
EAS22520
ASSEMBLING THE FRONT BRAKE MASTER
CYLINDER
EWA13520
WARNING
• 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.
Recommended fluid
DOT 4
2
1
3
4-42
EAS22530
INSTALLING THE FRONT BRAKE MASTER
CYLINDER
1. Install:
• Brake master cylinder "1"
• Brake master cylinder holder "2"
Brake master cylinder holder bolt
10 Nm (1.0 m·kg, 7.2 ft·lb)
NOTE:
• Install the brake master cylinder holder with the
"UP" mark facing up.
• Align the mating surfaces of the brake master
cylinder holder with the punch mark "a" on the
right handlebar.
• First, tighten the upper bolt, then the lower bolt.
2. Install:
• Copper washers
• Brake hose (front brake master cylinder to
brake pipe/lower joint assembly)
• Brake hose union bolt
Brake hose union bolt
30 Nm (3.0 m·kg, 22 ft·lb)
EW3P66002
WARNING
Proper brake hose routing is essential to in-
sure safe vehicle operation. Refer to "CABLE
ROUTING (FJR1300A)" on page 2-45 and
"CABLE ROUTING (FJR1300AS)" on page
2-65.
EC3P61025
CAUTION:
When installing the brake hose onto the
brake master cylinder, make sure the brake
pipe "a" touches the projection "b" on the
brake master cylinder.
FRONT BRAKE
1
a
2
New