The lowest price component in this Crankcase parts-list fiche is the Washer,plug,drain 12.
A sample from the products for the Crankcase include: Bolt,stud,10x156, O-ring 17x2.5, Bolt,flange,6x22, Cable.
This schematic depicts all components used in the Atc250es Big Red 1985 (f) Canada Crankcase partslist.