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N.B.
THE MASTER CYLINDER (1) IS INCORPORATED INTO THE
FRONT BRAKE LEVER ASSEMBLY.
- EXTRACT THE SCREWS (2) AND THE FRONT BRAKE LEVER
ASSEMBLY.
PRECAUTION
CLEAN OFF ANY SPILT BRAKE FLUID REMAINS IMMEDIA-
TELY.
Extract:
- Brake lever mounting bolt and nut.
- Brake lever.
Fitting the front master cylinder:
- Fit the brake lever assembly and tighten the securing
screw.
- Tighten the flexible brake pipe bolt.
- Bleed the brake system pipe (consult "Bleeding the brake
system pipe" in this chapter).
- Check the condition of the braking force to see if any resis-
tance is noted or any loss of fluid.
Checking the brake lever master cylinder (visual check):
- Extract the master cylinder (consult "Extracting the front
master cylinder" in this section).
- Dismantle the front master cylinder:
- Check that there are no scratches, corrosion or holes on
the inner walls of the master cylinders and on the outer part
of each piston.
- If any damage is discovered on the master cylinder or on
the pistons, change them.
- Examine the primary seal and secondary seal.
- If the seal is worn, soft (perished) or swollen, change the
piston assembly to renew the seals.
- If fluid loss is noticed at the brake lever, change the seals.
100

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   Also See for Derbi GPR 125 Racing

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Gpr 125 racing

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