Honda CB900F Service Manual page 341

Chec k the fluid
le ve! often while
bleeding the
brakes to prevent
air from being
pumped into the
s ystem.
If air is entering
the bleeder from
around the bleed
valve threads,
seal the threads
with teflon tape.
Connect a bleed hose to the caliper bleed valve.
Loosen the bleed valve and pump the brake lever or
pedal.
Stop pumping the lever or pedal when no more fluid
flows out of the bleed valve.
BRAKE FLUID FILLING/BLEEDING
Close the bleed valve.
Fill the reservoir with DOT 4 brake fluid from a sealed
container.
NOT E:
Use only DOT 4 brake fluid from a sealed container.
Do not mix different types of fluid . They are not
compatible.
Connect a commercially available brake bleeder to
the bleed valve.
Pump the brake bleeder and loosen the bleed valve,
adding fluid when the fluid level in the master cylin-
der reservoir is low.
When using a brake bleeding tool, follow the manfac-
turers operating inst ruct io ns.
Repeat the previous step procedures until air bubbles
do not appear in the plastic hose.
Close the bleed valve and operate the brake lever
or pedal.
If it still feels spongy, bleed the system again.
HYDRAULIC BRAKE
15-5