Ducati 749R Owner's Manual page 151

Remove right fairing (page 54).
Unscrew the filler (3, fig. 54) and add a mixture consisting
of water and antifreeze SHELL Advance Coolant or
3
Glycoshell (35-40% of the volume) up to MAX mark.
Refit the filler (3) and reassemble all removed parts.
This mixture improves operating conditions (coolant will
start freezing at –20 °C/-4 °F).
3
E
Coolant circuit capacity: 2.3 +0,5 dm (litres).
Warning
Place the motorcycle on a flat surface (vertical) and
make sure the engine is cold before proceeding.
fig. 54
58