The most expensive part in this assembly is the Crankshaft-comp.
This schematic depicts all components used in the Jb650-a2 Jetmate 1990 Europe Crankshaft/piston(s) partslist.
Parts such as the Crankshaft/piston(s): Piston-engine L,o/s 0, Ring-snap,piston Pin, Piston-engine Ll,o/s, Ring-set-piston,std are included in the Jb650-a2 Jetmate 1990 Europe Crankshaft/piston(s) parts fiche.