The Crankcase assembly is constructed from several parts from which the Crankcase Assy,r is the most expensive.
On this parts fiche the Bolt,flange,sh,6x40 is the most specified component.
Parts such as the Crankcase: B/brg Rad N/com, Washer,plug,drain 12, Oil Seal,14x22x5, Oil Seal 12x18x3 are included in the Cr250r Elsinore 1998 (w) Canada Cmf Crankcase parts fiche.