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15. FRONT BRAKE & FRONT WHEEL
Open the drain valve around 1/4 turns, and at the
same time hold the brake lever until the there is no
air bubble in the drain hose and also feeling
resistance on the brake lever.
Close the drain valve when finishing the brake
system refilling fluid procedure, and operate the
brake lever to check whether air bubble in brake
system or not.
If brake is still soft, please bleed the system as
described below:
1. Hold the brake lever tightly and open the drain
valve around 1/4 turns, and then close the
valve.
Caution
Do not release the brake lever before the
drain valve is closed.
Always check the brake fluid level when
carrying out the air bleeding procedure to
avoid air enters into the system.
2. Slowly release the brake lever, and wait for a
few seconds until it reaches its top position.
3. Repeat the steps 1 and 2 until there is no air
bubble at the end of the hose.
4. Tightly close the drain valve.
5. Make sure the brake fluid is at the UPPER level
of the master cylinder, and refill the fluid if
necessary.
6. Cover the cap.
Air-bleed valve
Transparent hose
Bubble
Air-bleed valve
15-7
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