The most reasonably priced component used on the Ex500d1 Gpz500s 1994 United Kingdom Sd Cylinder/piston(s) is the Ring-snap,18mm.
The most expensive part in this assembly is the Cylinder-engine.
Some items from this specific schematic: Gasket,cylinder Base (nas), Pin,11.5x14x14, Cylinder-engine, Piston-engine,std.