REAR WHEEL
DISASSEMBLY
Carefully read p. 35 (MAINTENANCE).
◆
Remove the exhaust silencer, see p. 49
(REMOVING THE EXHAUST SILENC-
ER).
To unscrew the wheel nut (1), it
is necessary to lock the rotation
of the wheel.
44
use and maintenance Sonic 50
◆
Pull the rear brake lever (2) completely,
then put a small piece of cardboard (3)
on the grip and keep the rear brake lever
pulled by holding it against the grip by
means of a plastic band (4).
◆
Unscrew and remove the wheel nut (1)
and the washer.
Upon reassembly, change the
wheel nut (special type).
Wheel nut driving torque:
110 Nm (11 kgm).
◆
Remove the plastic band (4) and take
the piece of cardboard (3).
◆
Release the rear brake lever.
◆
Withdraw the wheel.
Use aprilia Genuine Spare Parts
only.
After reassembly, pull the rear
b r a k e l e v e r r e p e a t e d l y a n d
check the correct functioning of
the braking system.
Check the wheel centering.
Have the driving torques, centering and
balancing of the wheel checked by your
aprilia Official Dealer, in order to avoid
accidents that may be harmful for you
and/or other people.