Ducati 999 2003 Manuel D'utilisation Et Entretien page 173

Front turn indicators
Note
The rear-view mirror and incorporated turn indicator
are shown detached from the headlamp fairing to
simplify illustration.
Remove the screws (1) and detach the glass (2) from the
indicator/mirror support.
E
The bulb is of the bayonet-type: press and rotate anti-
clockwise to remove; fit the spare bulb by pressing and
turning clockwise until it clicks.
Refit the glass into the suitable slot in the indicator body
and tighten the screws (1).
Rear turn indicators (fig. 70)
To change the rear turn indicator bulbs, rotate indicator
body (3) by one fourth of a turn so that glass is upward
and extract it from indicator mount.
The bulb is of the bayonet-type: press and rotate anti-
clockwise to remove; fit the spare bulb by pressing and
turning clockwise until it clicks.
Refit indicator body (3) to its mount and rotate by one
fourth of a turn.
74
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(fig. 69)
1
3
2
fig. 69
fig. 70