Derbi boulevard 125 4t Workshop Manual page 171

Braking system
UNDER NORMAL DRIVING AND CLIMATIC
CONDITIONS YOU SHOULD CHANGE THIS
LIQUID EVERY TWO YEARS.
IF THE BRAKES ARE USED INTENSELY AND/
OR IN HARSH CONDITIONS, CHANGE THE
FLUID MORE FREQUENTLY.
CAUTION
WHEN CARRYING OUT THE OPERATION,
BRAKE FLUID MAY LEAK FROM BETWEEN
THE BLEED SCREW AND ITS SEAT ON THE
CALLIPER.
CAREFULLY DRY THE CALLIPER AND DE-
GREASE THE DISC SHOULD THERE BE OIL
ON IT.
Specific tooling
020329Y MityVac vacuum-operated pump
Recommended products
AGIP BRAKE 4 Brake fluid
FMVSS DOT 4 Synthetic fluid
Locking torques (N*m)
Oil bleed screw 7 ÷ 10
Front brake pump
-After removing the front and rear handlebar covers, act on the two stand fixing points (see the figure).
- Disconnect the tube, collecting the brake oil in a container.
- On refitting, perform the operation in reverse.
- Tighten the hydraulic line to the prescribed torque
and bleed the system.
Locking torques (N*m)
Brake fluid pump - hose fitting 16 ÷20 Nm
BRAK SYS - 171