Yamaha YZ125 2009, Owner'S Service Manual

Page: 69 / 234

3-16
CHASSIS
j. Install the pad pin plug "10".
3. Inspect:
• Brake fluid level
Refer to "CHECKING THE BRAKE FLUID
LEVEL" section.
4. Check:
• Brake lever operation
A softy or spongy feeling
→
Bleed brake sys-
tem.
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" section.
CHECKING AND REPLACING THE REAR
BRAKE PADS
1. Inspect:
• Brake pad thickness "a"
Out of specification
→
Replace as a set.
2. Replace:
• Brake pad
Brake pad replacement steps:
a. Remove the protector "1" and pad pin plug
"2".
b. Loosen the pad pin "3".
c. Remove the rear wheel "4" and brake caliper
"5".
Refer to "FRONT WHEEL AND REAR
WHEEL" section in the CHAPTER 5.
d. Remove the pad pin "6" and brake pads "7".
e. Connect the transparent hose "8" to the
bleed screw "9" and place the suitable con-
tainer under its end.
Pad pin plug:
3 Nm (0.3 m•kg, 2.2 ft•lb)
Brake pad thickness:
6.4 mm (0.25 in)
<Limit>: 1.0 mm (0.04 in)