Honda SH125 Manual page 291

Follow the manu-
facturer's operating
instructions.
Check the fluid level
often while bleed-
ing the brake to pre-
vent air from being
pumped into the
s ys tem.
If air enters the
bleeder from
around the bleed
valve threads, seal
the threads with
teflon tape.
BRAKE FLUID FILLING/AIR BLEEDING
Close the bleed valve.
Fill the front master cylinder reservoir with DOT 3 or
DOT 4 brake fluid from a sealed container.
Connect a commercially available brake bleeder to
the bleed valve.
Operate the brake bleeder and loosen the bleed
valve.
If an automatic refill system is not used, add fluid
when the fluid level in the reservoir is low.
Perform the bleeding procedure until the system is
completely flushed/bled.
After bleeding air, operate the front brake lever. If it
still feels spongy, bleed the system again.
Tighten the bleed valve.
TORQUE: 5.5 N - m (0.56 kgf-m, 4.1 I b f W
If the brake bleeder is not available, perform the fol-
lowing procedure:
Pump up the system pressure with the front brake
lever until the lever resistance is felt.
Connect a bleed hose to the bleed valve and bleed
the system as follows:
~ o n o t r e l e a s e the
1. Squeeze the brake lever all the way and loosen
brake lever until the
the bleed valve 1/4 of a turn. Wait several sec-
bleed valve has
onds then close the bleed valve.
been closed.
2. Release the brake lever slowly and wait several
seconds after
it
reaches the end of its travel.
3. Repeat the steps 1 and 2 until there are no air
bubbles in the bleed hose.
After bleeding air, operate the front brake lever. If it
still feels spongy, bleed the system again.
Tighten the bleed valve.
TORQUE: 5.5 N-m (0.56 kgf-m, 4.1 Ibf-ft)
Fill the master cylinder reservoir to the casting
ledge with brake fluid.
Install the diaphragm, set plate and reservoir cap,
and tighten the screws.
TORQUE: 1.5 N.m (0.15 kgfmm, 1.1 Ibf-ft)
16-8