Some items from this specific schematic: Washer,plain, 6mm, Rim,head Light, Bolt,flange,8x25, Light Unit,head.
On this parts fiche the Rub,air/c Mount is the most specified component.
The most reasonably priced component used on the Xl125k2 U.s.a F-2 Headlight - Bracket - Horn is the Screw,cross,5x12.