Before removing the front forks, it is first necessary to remove the
following parts: 
Loosen the clamp screws (1) holding the fork legs to the steering head (3).
Loosen the clamp screws (2) and (26) securing the fork legs to the bottom yoke (4).
Withdraw the fork legs (5) and (6) downwards in order to carry out to all the necessary overhaul operations.

Steering head: front fork
Overhauling the front forksRefitting the handlebar
Position the handlebar (4) so that the external lower corner of the marks (a)
on the handlebar matches the upper internal
corner of the lower u-bolts (b) as shown.
Apply the recommended grease to the threads and undersides of the heads of
the screws (3).
Important
Position the upper u-bo ...
Exhaust by-pass valve not working correctly
Fault codes
Dds: exvl diagnosis -> position error, potentiometer, short circuit to ground
or open circuit (s.C. Gnd or c.O.),
Potentiometer short circuited to vdc (potentiometer s.C vdc).
Dashboard: the error "exvl" (exhaust bypass valve) is shown on the service
display. The eobd warning ...
Gear change pedal
When released, the gear change pedal (1, fig. 96)
Automatically returns to rest position n in the centre. This is
indicated by the instrument panel light n (2, fig. 4) Coming on.
The pedal can be moved:
down = press down the pedal to engage the 1st gear and to
shift down. At this point the n ...