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.
Gearchange mechanism
Return spring
Washer
Special screw
Gear pawl assembly
Interlock plunger holder
Sealing washer
Detent ball spring
Ball
Circlip
Selector claw return spring
Shim washer
Ring
Nut
Selector drum control fork
Gearchange lever pin
Shaft with gearchange lever arm
Gearch ...
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 ...
Checking the fuses
The main fuse box (1) and the secondary one (2) are located in the tool tray;
to reach the fuse box remove the seat as
specified under sect. 5 - 3 "Removal of the seat".
The fuses are accessed by removing the cover, which shows the ampere ratings and
mounting locations.
For ampere ratings ...