Ducati SUPERBIKE 749 Manuel D'utilisation Et Entretien page 155

Refueling (fig. 47)
Max level
Never overfill the tank when refueling. The fuel level must
stay below the rim of the filler recess.
Warning
Use fuel with low lead content and an original octane
number of 95 minimum (see table "Top-ups" on page 87).
Make sure there is no fuel trapped in the filler plug recess.
E
fig. 47
56