Ducati 748R Owner's Manual page 94

STANDARD factory setting is as follows:
compression: 10 clicks;
rebound: 12 clicks.
Max. setting for softest damping adjustment is 24 clicks
for rebound and 28 clicks for compression.
To change the preload of the spring inside each fork leg,
turn the hex. adjusting nut (2) with a 22-mm hexagon
wrench.
Preload setting range (A, fig. 17.1) is from 0 to 18.5 mm.
E
Factory setting is 10 mm
Important
Adjust both fork legs to same settings.
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