Some items from this specific schematic: O-ring, 39.8x2.2, Spring,clutch, Plate Comp,drive, Face Set,driven.
With all the components that make up the SCX50 1994 (R) JAPAN AF33-100 E-7 assembly. The Spring,clutch is the most frequently specified with three applications.
The lowest price component in this E-7 parts-list fiche is the Circlip,in,24.