Ducati SPORT TOURING ST3 Manuel D'utilisation Et Entretien page 171

R.h. Hi-beam light-bulb (fig. 76-77):
Disconnect the connector (4).
Release the clip (5) keeping the bulb cable (6).
Refit following the removal procedure in the reverse
order.
E
74
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4
5
6
fig. 76
fig. 77