Check out any of the forty-one Exhaust Valve components enlisted.
The Screw,cross,5x12 is the lowest priced item on this Exhaust Valve schematic.
Parts such as the Exhaust Valve: Bolt,sealing,8mm, Spindle,cam, Spring A,valve, Lever,l.adjuster are included in the Cr250r Elsinore 1990 (l) Australia Exhaust Valve parts fiche.