Ducati DIAVEL V4 2024 Owner's Manual page 121

Fuel label
The label identifies the fuel recommended for this
1
vehicle.
1) The E5 reference inside the label indicates the use
2
of fuel with a maximum oxygen content of 2.7% by
weight and a maximum ethanol content of 5% by
volume, according to EN 228.
2) The E10 reference inside the label indicates the
use of fuel with a maximum oxygen content of 3.7%
by weight and a maximum ethanol content of 10% by
volume, according to EN 228.
Fig 97
120