As said with the front signals. I turn them on. Tighten the long bolt until the signals starts to work, usually the bolt is not tight so I keep going until the signal stops working. Then I back the bolt up until the signal starts again. Then I do this for the other side.
MV Agusta F4 Superleggera (Mona Lisa)
MV Agusta F3 Ago 2015
Ducati 1098 2009