Installing The Front Brake Master Cylinder - Yamaha YZ450F Owner's Service Manual

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3. Install:
• Spring "1"
Install to the brake master cylinder piston
"2".
TIP
Install the spring with a smaller inside diameter
to the brake master cylinder piston.
4. Install:
• Brake master cylinder kit "1"
• Washer "2"
• Circlip "3"
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• Dust boot "4"
• Push rod "5"
TIP
• Before installation, apply brake fluid to the
brake master cylinder kit.
• Before installation, apply silicone grease to
the push rod end.
• Use circlip pliers to install the circlip.
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3
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3
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INSTALLING THE FRONT BRAKE MASTER
EASB111146
CYLINDER
1. Install:
• Brake master cylinder "1"
Brake master cylinder holder bolt
9 Nm (0.9 m·kgf, 6.5 ft·lbf)
TIP
• Install the front brake master cylinder holder
with the "UP" mark facing up.
• First, tighten the upper bolt, then the lower
bolt.
2. Install:
• Copper washers
• Brake hose
• Union bolt
Brake hose union bolt
30 Nm (3.0 m·kgf, 22 ft·lbf)
EWA13530
WARNING
Proper brake hose routing is essential to in-
sure safe vehicle operation.
ECA1DX1007
NOTICE
During installation, bring the brake hose
into contact with the brake master cylinder
projection "a" and make its bent portion "b"
face downward.
4-20
FRONT BRAKE
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