Some items from this specific schematic: Oil Seal,12x22x5, Oring 183, Bolt,flange,6x40, Dowel,pin,10x16.
The twenty-seven Xr250r 1982 (c) Usa Right Crankcase Cover component parts are all listed in this schematic.
The most reasonably priced component used on the Xr250r 1982 (c) Usa Right Crankcase Cover is the Pin,spg. 3x10.