MOTO GUZZI Stelvio 1200 NTX ABS Service Station Manual page 230

Chassis
Turn the unit over.
Assemble the bearings to the wheel axle.
Pinion unit
REMOVAL
Remove the stop ring (1) from the ring nut.
Unscrew the ring nut (2) with the special spanner
(s4).
Remove the ring nut (2) and remove the sealing
ring from the ring nut.
NOTE
THIS OPERATION DESTROYS THE SEALING RING.
Revente Interdite - Revendita Vietata - Resaling Forbiden - Wiederverkauf Verboten
CHAS - 230
Stelvio 1200 NTX ABS