Suzuki RMX450Z Service Manual page 378

4A-4 Brake Control System and Diagnosis:
2) Fill the reservoir with brake fluid to the upper line "A".
Place the reservoir cap to prevent dirt from entering.
3) Attach a hose to the air bleeder valve, and insert the
free end of the hose into a receptacle.
4) Squeeze and release the brake lever several times
in rapid succession and squeeze the lever fully
without releasing it.
5) Loosen the air bleeder valve by turning it a quarter of
a turn so that the brake fluid runs into the receptacle,
this will remove the tension of the brake lever
causing it to touch the handlebar grip.
6) Close the air bleeder valve, pump and squeeze the
lever, and open the valve.
"A"
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7) Repeat this process until the fluid flowing into the
receptacle no longer contains air bubbles.
NOTE
While bleeding the brake system, replenish
the brake fluid in the reservoir as necessary.
Make sure that there is always some fluid
visible in the reservoir.
8) Close the air bleeder valve and disconnect the hose.
Tightening torque
Air bleeder valve (Front caliper): 6 N·m (0.6 kgf-
m, 4.5 lbf-ft)
9) Fill the reservoir with brake fluid to the upper line "A".
10) Install the diaphragm and reservoir cap.
Rear Brake
1) Remove the reservoir cap (1) and diaphragm.
"A"
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1
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