Brake Assembly - Yamaha YTZ250S 1986 Service Manual

Brake Assembly
Caliper
All internal parts should be cleaned in new
brake fluid only. Internal parts should be
lubricated with brake fluid when installed.
Replace the following parts whenever a caliper
is disassembled:
• Piston seals
• Retaining ring
• Rubber boot
• Bleed screw and rubber cap
Bleed screw
Pad spring
~
~
.W
o /
~-
7:lt4
~~~'~~
Pod
'Do?o)
1. Install the piston seals and the piston.
2. Install the pad springs, pads, and retain-
ing bolt into the caliper cylinder. Torque
the retaining bolt to specification.
TIGHTENING TORQUE:
23 Nm (2.3 m·kg, 17 ft·lb)
3. Apply rubber grease to the piston seals,
caliper cylinder, and piston.
4. Install the caliper assembly on the front
fork. Torque the bolts to specification.
TIGHTENING TORQUE:
35 Nm (3.5 m·kg, 25 ft·lb)
4-6
5. Attach the brake hoses.
TIGHTENING TORQUE:
26 Nm (2.6 m·kg, 19 ft·lb)
6. If the brake disc has been removed from
the hub or is loose, tighten the bolts.
TIGHTENING TORQUE:
28 Nm (2.8 m·kg, 20 ft·lb)
7. Reassemble the master cylinder as
shown in the illustration.
TIGHTENING TORQUE:
(all brake union bolts)
26 Nm (2.6 m·kg, 19 ft·lb)