Honda CBR125R, Owner'S Manual

Page: 338 / 430

HYDRAULIC BRAKE
15-6
BRAKE FLUID FILLING/AIR BLEEDING
Do not mix different
are not compatible.
Fill the reservoir with DOT 3 or DOT 4 brake fluid
from a sealed container.
when the fluid level in the reservoir is low.
When using a brake bleeding tool, follow the manu-
facturer’s operating instructions.
Perform the bleeding procedure until the system is
completely flushed/bled.
Close the bleed valve and operate the brake lever/
pedal. If it still feels spongy, bleed the system again.
After bleeding the system completely, tighten the
brake caliper bleed valve to the specified torque.
If the brake bleeder is not available, perform the fol-
lowing procedure.
Pump up the system pressure with the brake lever/
pedal until the lever/pedal resistance is felt.
Connect a bleed hose to the bleed valve.
1. Squeeze the brake lever/pedal all the way and
loosen the bleed valve 1/2 turn. Wait several sec-
onds and then close the bleed valve.
• Do not release the brake lever/pedal until the
bleed valve has been closed.
2.
3. Repeat the steps 1 and 2 until there are no air
bubbles in the bleed hose.
FRONT: REAR:
If air enters the
bleeder from
around the bleed
valve threads, seal
the threads with
teflon tape.
TORQUE: 5.4 N·m (0.6 kgf·m, 4.0 lbf·ft)
BRAKE BLEEDER
FRONT: BLEED VALVE
BRAKE LEVER
FRONT:
TORQUE: 5.4 N·m (0.6 kgf·m, 4.0 lbf·ft)
BLEED HOSE
FRONT:
BLEED VALVE
types of fluid. They
Connect a automatic refill system to the reservoir.
If an automatic refill system is not used, add fluid
Check the fluid level often while bleeding the brake
to prevent air from being pumped into the system.
Connect a commercially available brake bleeder to
the bleed valve.
Operate the brake bleeder and loosen the bleed
valve.
Release the brake lever/pedal slowly and wait
several seconds after it reaches the end of its
travel.
After bleeding the system completely, tighten the
brake caliper bleed valve to the specified torque.