Installing The Rear Brake Master Cylinder; Installing The Front Brake Hose - Yamaha YZ450F(X) Owner's Service Manual

2. Install:
• Brake lever "1"
• Bolt (brake lever) "2"
Bolt (brake lever):
6 Nm (0.6 m•kg, 4.3
ft•lb)
• Nut (brake lever) "3"
Nut (brake lever):
6 Nm (0.6 m•kg, 4.3
ft•lb)
Apply the silicone grease on the
brake lever sliding surface, bolt and
tip of the push rod.
INSTALLING THE REAR BRAKE
MASTER CYLINDER
1. Install:
• Copper washer "1"
• Brake hose "2"
• Union bolt "3"
Union bolt:
30 Nm (3.0 m•kg, 22
ft•lb)
Always use new copper washers.
Install the brake hose so that its
pipe portion "a" directs as shown
and lightly touches the projection
"b" on the brake master cylinder.
FRONT BRAKE AND REAR BRAKE
2. Install:
• Brake master cylinder "1"
• Bolt (brake master cylinder) "2"
Bolt (brake master cylin-
der):
10 Nm (1.0 m•kg, 7.2
ft•lb)
3. Install:
• Spring "1"
• Brake pedal "2"
• O-ring "3"
• Bolt (brake pedal) "4"
Bolt (brake pedal):
26 Nm (2.6 m•kg, 19
ft•lb)
• Clip "5"
Apply the lithium soap base grease
on the bolt, O-ring and brake pedal
bracket.
4. Install:
• Pin "1"
• Washer "2"
• Cotter pin "3"
After installing, check the brake pedal
height. Refer to "ADJUSTING THE
REAR BRAKE" section in the CHAP-
TER 3.
INSTALLING THE FRONT BRAKE
HOSE
1. Install:
• Copper washer "1"
• Brake hose "2"
5-13
• Union bolt "3"
Union bolt:
30 Nm (3.0 m•kg, 22
ft•lb)
Always use new copper washers.
Install the brake hose so that its
pipe portion "a" directs as shown
and lightly touches the projection
"b" on the brake caliper.
2. Install:
• Brake hose holder "1"
• Nut (brake hose holder) "2"
Nut (brake hose holder):
7 Nm (0.7 m•kg, 5.1 ft
•lb)
Align the top "a" of the brake hose
holder with the paint "b" of the brake
hose.
3. Pass the brake hose through the
cable guide "1".