Honda Hawk GT NT650 1988 Service Manual page 196

HYDRAULIC BRAKE
Connect a Brake Bleeder or equivalent to the bleed valve.
Pump the brake bleeder and loosen the bleed valve. Add fluid
when the fluid level in the master cylinder reservoir is low.
Repeat above procedures until no air bubbles appear in the
plastic hose.
NOTE
If air is entering the system from around the bleed valve
threads, seal the threads with teflon tape.
. .
•
(2) BLEED VALVE.\
I
If a brake bleeder is not available, fill the system as follows:
Pump up the system pressure with the lever or pedal until
there are no air bubbles in the fluid flowing out of the reservoir
hole and lever or pedal resistance is felt.
AIR BLEEDING
Bleed the system as follows:
1) Connect a bleed hose to the bleed valve.
2) Squeeze the brake lever lor depress the brake pedal), then
open Ithe bleed valve 1/4 turn and close the valve.
NOTE
Do not release the brake lever (or pedal) until the bleed
valve has been closed.
3) Release the brake lever (or pedal) slowly and wait several
seconds after it reaches the end of its travel.
Repeat steps 2 and 3 until bubbles cease to appear in the fluid
at the end of the hose.
Tighten the bleed valve.
TORQUE: 6 N'm (0.6 kg-m, 4.3 ft-Ibl
Close the bleed valve, fill the reservoir with DOT 4 brake fluid
to the upper level.
Reinstall the diaphragm and reservoir cover.
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A contaminated brake disc or pad reduces stopping power. Dis-
card contaminated pads and clean a contaminated disc with a
high quality brake degreasing agent.
14-4