The most reasonably priced component used on the Xr650r 2000 (y) Australia / Csw Crankshaft/piston is the Clip,piston Pin 2.
The Crankshaft/piston assembly is constructed from several parts from which the Crank Shaft Comp. is the most expensive.
eleven components are shown in this Xr650r 2000 (y) Australia / Csw Crankshaft/piston exploded diagram.