Of all the components used in this assembly the Cover, Crankcase 2 is the most expensive.
The seventeen Yfm80n 1985 Moto-4 Crankcase Cover 1 component parts are all listed in this schematic.
Some items from this specific schematic: Screw Pan Head, Plug, Oil Level, Cover, Crankcase 1, Cover, Crankcase 2.