Disc Inspection; Front Brake Disc - APRILIA RSV4 R Service Station Manual

RSV4 R
•
Unscrew and remove the five brake
disc screws (1).
•
Remove the brake disc (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.
See also
Removing the rear wheel

Disc Inspection

The operations must be carried out with the
brake disc fitted on the wheel.
•
Check the disc for wear by measuring
the minimum thickness with a micro-
meter in 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: 4.5 mm (0.18
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: 0.1 mm (0.0039 in)

Front brake disc

Braking system
BRAK SYS - 423