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MV Agusta F4 S - Page 123

MV Agusta F4 S
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Maintenance
- 107 -
B
The light beam can be adjusted vertically by turning the
screw illustrated. If turned in a clockwise direction: the
optical unit tilts upwards. If turned in an anti-clockwise
direction: the optical unit tilts downwards. It can be tilt-
ed up to an angle of ±4° from the standard position.
The light beam can be adjusted horizontally by turning
the screw illustrated. If turned in a clockwise direction:
the optical unit tilts to the left. If turned in an anti-clock-
wise direction: the optical unit tilts to the right. It can be
tilted up to an angle of ±4° from the standard position.
Headlight center
FRONT HEADLAMP
Check adjustment
g At every variation of the motorcycle set-up.
The headlight should be adjusted every time the geometry of the vehicle is altered and before carrying a pillion
passenger. The motorcycle is not equipped with external adjusters and the front projector unit is fixed to the
frame.
Headlight adjustment
Place the vehicle at a distance of 10 m from a vertical wall. Make sure that the motorcycle is placed on an even
horizontal surface, and that the headlight’s optical axis is perpendicular to the wall.
The vehicle must be held in an upright position. Measure the “X” distance between the headlight center and the
ground surface, then trace a small cross on the wall at the same height.
When you turn the headlight on, the upper boundary line between the dark area and the lighted area must be at
an height equal or lower than the 9/10 of the headlight center height.
Clockwise
Counterclockwise
Clockwise
Counterclockwise
B_Manutenzione_GB_Rev.3_B_Manutenzione_GB_Rev.3.qxp 23/05/13 14:36 Pagina 107

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