Parts such as the Headlight (3): Cover Rubber, Bulb,head Light, Screw,beam Adjust, Headlight Unit,r. are included in the Vfr750r Rc30 1989 (k) France / Yb Headlight (3) parts fiche.
fourteen components are shown in this Vfr750r Rc30 1989 (k) France / Yb Headlight (3) exploded diagram.
In this schematic the "Screw,beam Adjust" is used most often.