Disc Inspection; Front Brake Disc - APRILIA TUONO R FACTORY 2007 Service Station Manual

TUONO R_FACTORY
•
Unscrew and remove the five brake
disc screws (1).
•
Remove the disc brake (2).
UPON REFITTING, APPLY LOCTITE 243 ON THE THREAD
OF THE BRAKE DISC SCREWS (1).
CAUTION
UPON REFITTING, SCREW ALL THE SCREWS (1) MAN-
UALLY AND TIGHTEN THEM OPERATING DIAGONALLY
FOLLOWING THIS SEQUENCE: A-B-C-D-E-F.

Disc Inspection

The operations must be carried out with the
brake disc fitted on the wheel.
•
Check the disc for wear, measuring the
minimum thickness at different points.
•
If the minimum thickness, even in a
single point of the disc, is less than the
minimum value, replace the disc.
Disc thickness minimum value: 4 mm (0.16 in)
•
Using a dial gauge, check that the max-
imum oscillation of the disc does not
exceed the tolerance; otherwise, re-
place it.
Disc oscillation tolerance: 0.3 mm (0.012 in)

Front brake disc

Removal
•
Remove the front wheel.
The following operations refers to a single disc
but apply to both.
To unscrew the screws (1), use an air screwer gun
to give a clean blow, which will detach the screws
stuck with LOCTITE 243.
•
Unscrew and remove the six brake disc
screws (1).
Braking system
BRAK SYS - 271