Disc Inspection; Front Brake Pads - Derbi boulevard 125 4t Workshop Manual

Braking system

Disc Inspection

- Remove the wheel and check for unevenness of
the disc.
Maximum permissible out of true is 0.1 mm. If the
value measured is greater, fit a new disc and re-
peat the check.
- If the problem persists, check and replace the
wheel rim if necessary.
Specific tooling
020335Y Magnetic support for dial gauge

Front brake pads

Removal
Proceed as follows:
- Remove the front calliper.
- Loosen the two pins shown in the figure that lock
the two pads.
- Remove the pads, being careful of the pads'
spring clamp.
- Check the thickness of the pads.
Characteristic
Minimum value
1.5 mm
See also
Front brake calliper
Refitting
To fit, proceed as follows:
- Insert the two pads in the callipers.
- Screw the two pad lock pins to the correct torque, and apply the recommended product.
- Fit the calliper on its support, tightening the two screws to the prescribed torque.
N.B.
IF IT IS NOT POSSIBLE TO CORRECTLY POSITION THE CALLIPER ON THE DISC DURING FIT-
TING, GENTLY EXPAND THE PADS.
Recommended products
Loctite 243 Medium strength threadlock
Loctite 243 medium-strength threadlock
BRAK SYS - 169