The component with the lowest price in the C.D.I. MAGNETO schematic is the Screw, Pan Head(3xp).
Parts such as the C.d.i. Magneto: Screw, Pan Head, Rotor Assy, Plate, Timing, Washer, Plain (646) are included in the 50ef 1989 C.d.i. Magneto parts fiche.
The C.d.i. Magneto assembly is constructed from several parts from which the Base Assy is the most expensive.