The Crankcase 81-82 is made up of components including this Crankcase,lower which is the most expensive.
This Crankcase 81-82 diagram displays the required parts for the Xr500r 1981 (b) Usa Crankcase 81-82.
This CRANKCASE 81-82 assembly utilises eight Bolt,flange, 6x32(s) - the highest specified component.