Parts such as the Transmission: Gear,ct/shaft Low, B/brg Rad N/com, Gear Ct/shaft Low, Bolt, Sprocket are included in the Atc185s 1982 (c) Usa Transmission parts fiche.
The most expensive part in this assembly is the Mainshaft Comp..
The lowest price component in this Transmission parts-list fiche is the Bolt, Sprocket.