Ducati Streetfighter Owner's Manual page 97

the spring, up to a maximum of 0.6 in (15 mm),
corresponding to 3 full turns.
STANDARD factory setting is as follows:
compression:
1.5 turns from fully closed;
rebound:
2.5 turns from fully closed.
0.08 in (2 mm) spring preload: from FULLY OPEN,
turn adjuster clockwise by 2 turns;
corresponding to an actual preload of 0.08 in (2 mm).
Important
Regulate the adjusters on both legs to the same
positions.
Refer to the table on page 98 to adjust suspension
settings according to motorcycle use.
96