The Bolt,flange,6x25 is the lowest priced item on this Cylinder Head Cover schematic.
The Bolt,flg,sh. 6x32 is the most widely applied product in the XL250R 1987 (H) USA CYLINDER HEAD COVER ( six times ).
Parts such as the Cylinder Head Cover: Pin,dowel,4x37.5, Lifter Valve, O-ring,35.5x3, Bolt,flg,sh. 6x32 are included in the Xl250r 1987 (h) Usa Cylinder Head Cover parts fiche.