Parts such as the Exhaust Valve: Gasket,l.cylinder (nas), Seal,r.cylinder C, Lever,l.ex.valve, Gasket,cylinder U (mca) are included in the Cr125r 1991 (m) Germany Exhaust Valve parts fiche.
Of all the components used in this assembly the Governor Comp is the most expensive.
The Screw,cross,5x16 is the lowest priced item on this Exhaust Valve schematic.