Parts such as the Transmission: B/brg Rad N/com, Tube, Breather, Gasket,mission Co (mca), Collar, Final Gear are included in the Ch80 Elite 80 1990 (l) Usa Transmission parts fiche.
The lowest price component in this Transmission parts-list fiche is the Bolt,flange,10x12.
In this schematic the "Bolt, Flange (6x35)" is used most often.