Ducati MULTISTRADA 620 Manuel D'utilisation Et Entretien page 141

Refueling (fig. 37)
Never overfill the tank when refueling. Fuel should never
Max level
be touching the rim of filler recess.
Warning
Use fuel with low lead content and an original octane
number of 95 minimum (see table "Top-ups" on page 80).
E
Make sure there is no fuel trapped in the filler plug recess.
fig. 37
48