Page 465 - 2019 SHOP MANUAL CRF1000/A/D

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HYDRAULIC BRAKE
BRAKE FLUID FILLING/AIR BLEEDING
Fill the reservoir with DOT 4 brake fluid to the upper
level line [1] from a sealed container. Front: Rear:
Connect a commercially available brake bleeder to the [1] [1]
bleed valve [2].
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.
• Check the fluid level often while bleeding the brake
to prevent air from being pumped into the system.
• When using a brake bleeding tool, follow the
manufacturer’s operating instructions.
If air enters the Perform the bleeding procedure until the system is
bleeder from completely flushed/bled.
around the bleed Close the bleed valve and operate the brake lever/
valve threads, seal pedal. If it still feels spongy, bleed the system again. Front: Rear:
the threads with After bleeding the system completely, tighten the brake
teflon tape.
caliper bleed valve to the specified torque.
[2]
TORQUE: 5.4 N·m (0.6 kgf·m, 4.0 lbf·ft)
Fill the reservoir with DOT 4 brake fluid to the upper
level line from a sealed container.

[2]
If the brake bleeder is not available, perform the Front: Rear:
following procedure.
Fill the reservoir with DOT 4 brake fluid to the upper [1] [1]
level line [1] from a sealed container.
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 [2].
1. Squeeze the brake lever/pedal all the way and
loosen the bleed valve 1/4 turn. Wait several
seconds and then close the bleed valve.

• Do not release the brake lever/pedal until the bleed
valve has been closed.
2. Release the brake lever/pedal slowly and wait Front: Rear:
several seconds after it reaches the end of its travel.
3. Repeat the steps 1 and 2 until there are no air [2]
bubbles in the bleed hose.
After bleeding the system completely, tighten the brake
caliper bleed valve to the specified torque.
TORQUE: 5.4 N·m (0.6 kgf·m, 4.0 lbf·ft)
Fill the reservoir with DOT 4 brake fluid to the upper
level line from a sealed container.

[2]

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