Ducati ST4s Owner's Manual page 114

3) Check that the stop switch (1, fig. 23.3) is positioned
to (RUN), then press the starter button (2).
Let the engine start without using the throttle control.
Important
Never operate the electric start button more than 5
seconds at a time. If needed, allow 10 seconds before
attempting to restart the engine.
4) Move the cold start lever to the vertical position (A) to
E
let engine idle at about 1400-1500 rpm.
Important
Do not rev up the engine when it is cold. Allow
some time for oil to reach all points that need lubricating.
5) As the engine warms up, move the cold start lever
gradually towards the vertical position (A, fig. 23.2). Once
fully warm, the engine should hold idling rpm with the
cold start shut down.
36
High ambient temperature (over 35 °C):
Follow the same procedure, however, do not use the
cold start device.
Cold ambient temperature (below 10 °C):
Follow the procedure for "Regular ambient
temperature", however allow 5 minutes for the engine to
warm up (see step 5).
2
1
fig. 23.3