The component with the lowest price in the STEERING STEM 90-94 schematic is the Bolt Flang 6x16.
On this parts fiche the Bolt,flange,8x40 is the most specified component.
Parts such as the Steering Stem 90-94: Stem Comp.,steeri, Guide,fr.brake Ho, Bolt Flang 6x16, Dust Seal,steerin are included in the Cr250r Elsinore 1992 (n) Usa Steering Stem 90-94 parts fiche.