Ducati ST3 Owner's Manual page 148

2) Move the cold start lever to the B position (fig. 42).
3) Check that the stop switch (1, fig. 43) 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
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. 42). Once
fully warm, the engine should hold idling rpm with the
cold start shut down.
A
1
2
B
E
fig. 42
fig. 43
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