- Remove fluid reservoir cap (2), the rubber and fill the reser-
voir with fresh brake fluid.
- Open the bleeding valve and pump with brake lever (3) sev-
eral times until the fluid, clear and without bubbles, comes
out of the hose: now close the bleeding valve.-
- Restore the brake fluid level (A) then reassemble the rubber
and the fluid reservoir cap (2).
MUM2_WR250-300_2012_GB.indd 47
WARNING!
During the bleed operation the fluid level in-
side the reservoir must never be lower than
the minimum level.
Tightening torque for bleed valve is 1,2 ÷
1,6 kgm (12 ÷ 16 Nm; 8.8 ÷ 11.8 ft-lb).
As the braking fluid is a very corrosi-
ve substance, in the case it comes in
contact with your eyes wash them
abundantly with water.
During the bleeding of the braking
circuit keep the handlebar turned lef-
twards. This is the way to lift the
pump tank and to make easier the bleeding
of the braking system.
If the lever stroke gets stretchy and
the braking action results as poor in
the case of falls during competitions,
or after repair work in shops, repeat the ble-
eding operation described above.
As the bleeding operation does not
fully eliminate the air inside the circu-
it, the small quantity of air remaining
inside will be eliminated after a short time
of use of the brake. In this case however, the
action of the lever will be harder and the
stroke shorter.
EN - 47
9-05-2011 18:03:05