Parts such as the Headlamp (model M/n): Bulb(12v60/55w,h4), Reflex Reflector,fr Side, Screwm4x0.7x10, Rim,headlamp are included in the Gsf400 1991 (m) (e02 E04 E16 E21 E22 E24 E25 E34 E53) Headlamp (model M/n) parts fiche.
The lowest price component in this Headlamp (model M/n) parts-list fiche is the Screwm4x0.7x10.
With three applications this Screwm4x0.7x10 is the most specified part.