APRILIA tuono v4 Owner's Manual page 113

In order to carry out horizontal adjustment of the light beam:
•
Rest the vehicle on its stand.
•
Working from the rear left hand side of the top fairing, adjust both screws
simultaneously with a short cross headed screwdriver (2) and (3):
- Tightening the left hand screw (2) while simultaneously loosening the right hand
screw (3), the light beam moves to the right.
- Loosening the left hand screw (2) while simultaneously tightening the right hand
screw (3), the light beam moves to the left.
04_20
NOTE
CHECK THAT THE LIGHT BEAM HORIZONTAL DIRECTION IS CORRECT.
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