Before removing the parts in question, you must first carry out the following operations:

Remove the rear wheel eccentric hub as described in chapter "removal of the rear wheel eccentric hub and rear wheel shaft" of this section.
Loosen screws (7) and remove the hose grommets (13), (15) and (24).




Release the rear brake hose, the rear speed sensor cable, and the rear wiring from the swingarm, by loosening the screws (26) and retrieving the cable grommets (25).

You can check the play in the swingarm bearings while the swingarm (8) still installed on the motorcycle frame.
Grasp the rear of the swingarm (8) and try to move it in the four directions shown by the arrows.

Any abnormal movement is a sign of worn bearings that could cause instability when riding.
To check the free play of the support bearings, refer to sect. 7 - 1, Wheel bearings.
Once the play in the swingarm bearings has been checked, the swingarm (8) may be removed from the motorcycle.
Keep the swingarm shaft (1) blocked with the screws (3) on the bike lh side and loosen at the same time the screw (3) on the opposite side: keep washer (2).
Using the punch 88713.1074, Fully extract the swingarm pivot.
Remove the swingarm (8) assembly from the frame.


Inspecting the swingarm pivot
Before refitting the swingarm pivot shaft (1), check it carefully for distortion.
Roll the pin on a reference surface and measure maximum distortion using a feeler gauge (sect. 3 - 1.1, Rear wheel).

Refitting the rear wheel eccentric hub and rear wheel shaft
Overhauling the rear swingarmPassive key
Introduction
The passive key (1) is used when the active key is not working correctly or
is not available.
The passive key works as a transponder, and must therefore be placed physically
onto the antenna to work.
The mechanical part (2) of the key is used to open the seat or the tank plug ...
Location of elements on motorcycle
(A) injection relay; (b) etv relay (throttle valve operating engine); (c)
radiator fan relay; (d) hands free relay.
(E) ecu; (g) bbs (black box system or central electronics); (f) abs hydraulic
unit with integrated control unit.
Fuses located at the rear left of the vehicle.
...
Removal of the rear wheel eccentric hub and rear wheel shaft
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 ...