Check the cush drive bushes (6) condition and, if necessary, replace them by removing them from the flange.
Refitting is the reverse of removal.
Apply recommended grease on the rear sprocket flange (5) external diameter.
Place the rear sprocket flange (5) on sprocket (17) by inserting it on cush drive damper pins (6).
Apply prescribed threadlocker on the nut threads (4).
Start the nuts on the cush drive damper pins (6) threaded side.
Tighten the nuts (4) to a torque of 44 nm +/- 10% (sect. 3 - 3, Frame torque settings), following a cross-pattern sequence.

Check for wear following the instructions given at the beginning of this section.
To refit the nut (2) follow the specifications for the wheel fixing nut, in sect. 7 - 2, Refitting the rear wheel.
Position the clip (1) as shown.


Washing the chain
Chains with o-rings must be washed in oil, diesel fuel or paraffin (kerosene).
Do not use fuel, trichloroethylene or other solvents which will damage the rubber o-rings. For the same reason use only sprays specifically formulated for use with o-ring chains.
Replacing of the rear sprocket
Lubricating the chainDescription of the clutch assembly
The clutch is disengaged by a drive unit consisting of a thrust piston (c)
accommodated inside a small cap mounted to
the generator cover. This piston (c) pushes a pushrod (b), which runs through
gearbox primary shaft and operates the Pressure plate (4)
located on top of the clutch plate pack ...
Replacing the rear phonic wheel sensor
Disconnect the rear abs sensor (5) connector (c) from the main electric
wiring.
Open all the retainer clamps of the rear abs sensor cable (5): refer to table of
sect. 7 - 6, Flexible wiring/hoses
positioning.
Remove the rear abs sensor (5) from its seat on the rear calliper mounting ...
Refitting the starter motor gear
Position the washer (20) and the gear (19) in the pin (21) and take the pin
into contact with the crankcase half.
...