Ducati MONSTER S4R Manuel D'utilisation Et Entretien page 116

Important
Do not rev up the engine when it is cold. Allow some
time for the oil to warm up and reach all points that need
lubricating.
5) Subsequently, move the cold start lever gradually
towards its vertical position (A, fig. 33) as the engine
warms up. Once the engine is at normal running speed it
should idle smoothly with the cold start lever completely
E
closed.
High ambient temperature (over 35 °C/95 °F):
Follow the same procedure for "Regular ambient
temperature", however, do not use the cold start lever.
Cold ambient temperature (below 10 °C/50 °F):
Follow the procedure for "Regular ambient temperature",
however allow 5 minutes for the engine to warm up
(point 5).
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