Undo the screws (11) and remove the chain cover (10).
Loosen the chain (sect. 4 - 3, Adjusting the chain tension).

Remove the chain with the tool code 88713.1344.
The tool is composed of a holder (a), punch (b), body (c) and two wrenches (d) and (e).
Fit the link to be opened into the holder (a).
Fit a punch (b) into the body (c) and manually unscrew the screw until the punch no longer protrudes.
Fit the holder (a) and link into the body (c).
Manually turn the screw (f) on body (c) so that the punch (b) locates against the pin, taking care that they are aligned with each other.
Fit hex wrench (d) into the hexagonal part of the body (c) and wrench (e) onto the bolt.
Turn the bolt (f) clockwise to push out the pin.


Remove the chain.
Engage a low gear and unscrew the nut (12).
Remove the nut (12) and the safety washer (13) on the pinion.
Remove the engine pinion (14) from the gearbox secondary shaft.

Remove the spacer (15) with o-ring (16) from the gearbox secondary shaft.
Important
The o-ring (16) must be renewed on reassembly.

Inspecting the final drive
Refitting the front sprocketGuided diagnosis
Note
The on-screen icons used during this procedure are explained in a table at
the end of this section.
The dds diagnosis instrument guides the operator step-by-step through the
various diagnostic procedures,
providing descriptions and documentation for motorcycle components, wiring
diagra ...
Refitting the gear interlock plunger and pawl assembly
On the special screw (3), fit the gear pawl lever (4), orienting it as shown
in the figure, the washer (2) with the square
edge side (d) facing the clutch-side crankcase half, and the spring (1),
positioning it so that the hook end (a) is facing
the gear pawl lever. Locate the hook end (a) of ...
Gear indicator display on dashboard shows dashes, engaged gear not displayed
correctly, idle speed irregular
with gearbox in neutral
Fault codes
Dds: gear sensor diagnosis -> short circuit to ground or open circuit (s.C.
Gnd or c.O.) - Short circuit to vdc (s.C. Vdc)
- congruence (generic error - signal not correct).
Dashboard: the error "gear sensor" is shown on the service display. The eobd
warning light activates.
...