Yamaha TZR50 '03, Service Manual

Page: 63 / 251

INSP
ADJ
BLEEDING THE AIR / INSPECTING THE BRAKE PADS
3-23
Bleeding air steps:
a. Add brake liquid of the appropriate
type to the tank
b. Install the diaphragm. Take care not to
spill the liquid and for the tank not to
overflow
c. Connect the transparent plastic tube
firmly to the calliper bleeding screw
d. Install the other end of the tube into a
recipient
e. Activate the brake lever slowly several
times
f. Pull the handle. Keep it in this position.
g. Loosen the bleed screw and let the
lever move to the end of its travel.
h. Tighten the drain screw when the lever
has reached the limit; then release the
lever.
i. Repeat stages (e) to (h) until any air bub-
bles have disappeared from the system.
NOTE:
If you have trouble bleeding the system, you
might need to leave all the brake system
liquid to stand for a few hours. Repeat the
bleeding procedure when the tiny bubbles
contained in the system have disappeared.
j. Add brake liquid up to the level line mar-
ked on the tank.
Bleed screw:
0.6 kg • m
INSPECTING THE BRAKE PADS
1. Push the brake lever.
2. Inspect:
• The brake pads
If the thickness of the pads is under 0.5
mm
Replace the set of brake pads.
See the section on “CHANGING THE
BRAKE PADS” in CHAPTER 7.