Ducati Diavel Workshop Manual page 92

Maintenance operations
Turn the adjuster (1) clockwise to increase damping H; or counter clockwise to reduce damping S.
STANDARD setting from the fully closed position (clockwise):
- unscrew adjuster (1) by 8 clicks.
Spring preload: 15 mm.
The two nuts (2) on the upper part of the shock absorber serve to adjust the preload on the external spring. To change
spring preload, slacken the upper locking ring nut. Then tighten or slacken the lower ring nut to increase or decrease
spring preload.
Important
The knob (3) located on the expansion reservoir of the shock absorber adjusts the damping during the compression
phase.
Turning the adjusters (1) or the knobs (2) and (3) clockwise to increase preload damping; they decrease turning them in
the opposite direction.
STANDARD setting:
from fully closed (clockwise) loosen:
register (1) of 12 clicks;
knob (2) FULLY OPEN (counter clockwise);
register (3) of 25 clicks.
Spring preload: 18 mm (Max.18 mm - Min.25 mm
Warning
The shock absorber is filled with high-pressure gas and can cause injuries if inexpertly dismantled.
Important