PIAGGIO Vespa P125X User Manual page 24

B = C x 0.9 - C = Height from the ground of headlamp center - B = C x 0.95 when the
setting of the headlamp is carried out with the vehicle at 5 m. (16.4 feets) from the screen.
Notice - A correct setting of headlamp, can be obtained by acting on the set screw placed
under it. Before setting the headlamp check that the front and rear tyres are respectively
inflated to pressures quoted at pag. 26.
Fig. 20 - Setting the headlamp