Place the shaft in a vice in such a way as to facilitate the disassembly operations.
Important
Take care not to invert the positions of the shims on reassembly: this would potentially lead to jamming when using the gear selector control, making it necessary to reopen the engine crankcase.
Disassembly of the gearbox secondary shaft
Remove the chain-side shim washer (26) and clutch-side shim washer (15) from the secondary shaft.

Withdraw the first speed driven gear (18) with the roller cage (17) and the shim (19).



Remove the fifth speed driven gear (20).

Use two flat blade screwdrivers to remove the circlip (7) taking care not to damage the shaft surface.
Remove the circlip (7) and the splined washer (6).


Withdraw the fourth speed driven gear (21) with the roller cage (4) and splined washer (12).
Remove the


Remove the third speed driven gear (22) with the roller cage (4) and the splined washer (6).


Remove the circlip (7) and remove the sixth speed driven gear (23).
Remove


Remove the circlip (7) and withdraw the splined washer (6) and the second speed driven gear (24).



Withdraw the roller cage (4) and the shim (3). All the components have thus been removed from gearbox secondary shaft (25).


Disassembly of the gearbox primary shaft
Remove the chain-side shim washer (11) and the clutch-side shim washer (1) from the primary shaft.

Remove the second speed driving gear (10). Use two screwdrivers to prise out the circlip (7) and the splined washer (6).
Important
Take care to avoid damaging the surface of the shaft while removing circlip (7).



Remove the sixth speed driving gear (9) with its roller cage (4). Remove the splined washer (6) and the circlip (7).



Withdraw the third and fourth speed driving gear (8).

Remove the circlip (7) and the splined washer (6).


Remove the fifth speed driving gear (5) with the roller cage (4).


Slide the shim (3) off the primary shaft (2).

Removal of the gearbox assembly
Overhaul of the gearboxSystem components
Screw
Abs front speed sensor
Sealing washer
Hose grommet
Abs rear speed sensor
Abs control unit
Front pump - control unit pipe
Control unit - front callipers pipe
Rear pump - control unit pipe
Control unit - rear calliper pipe
Sealing washer
Support
Spacer
Rubber mou ...
Adjusting the steering head bearings
Note
To adjust the steering bearing clearance, follow what is described in
sect. 4 - 3, Adjusting the steering head bearings.
If the problems found are not solved, check the wear of steering bearings (6)
and replace them, if necessary, as described
in paragraph "removal of the steering head c ...
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 ...