APRILIA SXV450 - 2007 Manual page 9

Using a hook spanner, loosen the bearings preload ring
nut.
The ring nut to work on is the upper one, immediately
below the steering plate.
WARNING
At this stage do not work on the ring nut for
adjusting the
immediately under the bearings preload ring
gear.
Loosen the screw that locks the lower eccentric ring nut.
Loosen the screw that locks the upper eccentric ring nut.
steering angle, located