Ducati ST3 Owner's Manual page 169

2) Check that the stop switch (1, fig. 51) is positioned to
(RUN), then press the starter button (2). 1
This model is equipped with a servoignition system. To
achieve assisted engine starting, press the button (2) and
release it immediately. Pressing the button (2) operates
automatic engine starting for a maximum period of time
that varies depending on engine temperature. When the
engine has started, the system prevents the starter motor
from turning over. If the engine fails to start, allow at least
E
2 seconds before pressing the starter button (2) again.
Let the engine start without using the throttle control.
2
Important
Do not rev up the engine when it is cold. Allow some
fig. 51
time for oil to reach all points that need lubricating.
60