Yamaha YZ125 2009, Owner'S Service Manual

Page: 70 / 234

3-17
CHASSIS
f. Loosen the bleed screw and push the brake
caliper piston in.
Do not reuse the drained brake fluid.
g. Tighten the bleed screw.
h. Install the brake pad "10" and pad pin "11".
• Install the brake pads with their projections "a"
into the brake caliper recesses "b".
• Temporarily tighten the pad pin at this point.
i. Install the brake caliper "12" and rear wheel
"13".
Refer to "FRONT WHEEL AND REAR
WHEEL" section in the CHAPTER 5.
j. Tighten the pad pin "14".
k. Install the pad pin plug "15" and protector
"16".
3. Inspect:
• Brake fluid level
Refer to "CHECKING THE BRAKE FLUID
LEVEL" section.
4. Check:
• Brake pedal operation
A softy or spongy feeling
→
Bleed brake sys-
tem.
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" section.
CHECKING THE REAR BRAKE PAD
INSULATOR
1. Remove:
• Brake pad
Refer to "CHECKING AND REPLACING
THE REAR BRAKE PADS" section.
2. Inspect:
• Rear brake pad insulator "1"
Damage
→
Replace.
CHECKING THE BRAKE FLUID LEVEL
1. Place the brake master cylinder so that its
top is in a horizontal position.
2. Inspect:
• Brake fluid level
Fluid at lower level
→
Fill up.
Bleed screw:
6 Nm (0.6 m•kg, 4.3 ft•lb)
Pad pin:
18 Nm (1.8 m•kg, 13 ft•lb)
Pad pin plug:
3 Nm (0.3 m•kg, 2.2 ft•lb)
Bolt (protector):
7 Nm (0.7 m•kg, 5.1 ft•lb)
Recommended brake fluid:
DOT #4