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 shaftReassembly of the gearbox shafts
Figure 1 shows all the parts to be reassembled on the gearbox primary shaft
(2), with the calculated end shims (1) and
(11) (sec. 9 - 9.2, Reassembly of the crankcase halves).
Figure 2 shows all the parts to be installed on the gearbox secondary shaft
(25), with calculated end shims (15) a ...
Adjusting of the air-gap phonic wheel sensor
(For front as well as rear sensor) in each case of maintenance that foresees:
Replacement or refitting of the wheel
Replacement or refitting of the phonic wheel (1) or (2)
Replacement or refitting of the brake discs
Replacement or refitting of the speed sensor (3) or (4)
(Front) replacem ...
Total distance covered indicator: "odometer"
This function shows the total distance covered by the vehicle (in km or miles
depending on the specific application).
At key-on the system automatically enters this function.
The odometer reading is stored permanently and cannot be reset.
If the distance travelled exceeds 199999 km (or 19 ...