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FRONT BRAKE DISCS
Check the thickness of the front discs utilising a
micrometer gauge and measure three points at least
with 120° between them as shown in the figure.
Use a micrometer gauge for this check.
- Minimum allowable thickness: 4.5 mm
This operation just be carried out on both front discs.
If the measurements are below the mini-
mum, substitute the component with a new
one.
FRONT BRAKE DISC REMOVAL
Take down the front wheel as described in chapter F
"Suspensions and Wheels".
Place the wheel in a horizontal position and remove
the five screws of each disc proceeding in a star-like
mode for the removal.
Visually check the discs for lines or score marks.
H
Place the brake disc on a level surface with the milled
side face down and utilising a micrometer gauge check
that the maximum oscillation of the disc reached dur-
ing a rotation of 360° does not exceed 0.3 mm.
Utilise a micrometer gauge for this check.
If the measurements are below the mini-
mum, substitute the component with a new
one.
This operation must be carried out on both front discs.
Brakes
- 18 -
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