The Rx50 50special 1983 (d) Usa Crankcase consists of twelve pieces with the Crankcase 2 being the most expensive.
A sample from the products for the Crankcase include: Plug Straight 296153850000, Screw Pan Head, Crankcase 2, Clamp.
The lowest price component in this Crankcase parts-list fiche is the Screw, Pan Head(3xp).