The Screw-washer,6x28 is the lowest priced item on this Left Crankcase Cover schematic.
The Cr250r Elsinore 1985 (f) Usa Left Crankcase Cover consists of twenty-three pieces with the Ac Gen Assy (cdi) being the most expensive.
With four applications this Screw-washer,6x28 is the most specified part.