Before removing the eccentric hub, you must first remove the parts listed below.

Slacken off the screws (34).
Remove the spacer (20) and the inner ring (21) on the chain side and remove the wheel shaft (31) with the brake disc (30) from the opposite side.


Remove the circlip (19) on the wheel side of the eccentric hub.
Remove washers (16), the o-ring (17) and the calliper holding plate (18) with the other o-ring (17).



Withdraw the eccentric hub (22) from the chain side of the swingarm.

Note
The rear hub is a component particularly critical to the dynamic safety of the motorcycle; under no circumstances may the internal components of the hub be serviced or repaired. The hub may be ordered as a complete assembly, spare part no. 756.2.013.1A.
Swingarm
Refitting the rear wheel eccentric hub and rear wheel shaftAdjusting the chain tension
Make the rear wheel turn until you find the position where chain is tightest.
Set the vehicle on the side stand. Push down
the chain at the point of measurement and release. Measure the distance between
the "aperture" upper profile and pin
centre.
The read distance must be: 9 to 11 mm.
...
Dashboard system
The vehicle is equipped with two dashboards: an lcd (1) located on the
handlebar containing the key indications (speed,
rpm, engine coolant temperature, and clock) and a tft colour display (2) located
in the tank fairing displaying trip
information (riding style set, odometer, consumption, ave ...
Front brake control
Front brake master cylinder
Brake lever
Special screw
Sealing washer
Screw
Phonic wheel
Brake disc
Pin
Left brake calliper
Boot
Bleed valve
Spare stand
Control unit - front callipers pipe
Microswitch
Oil duct union
Screw
Hose clip
Right brake calliper
Speci ...