Parts such as the Crankshaft: Spacer,38x58x1.5, Crankshaft,lh, Retainer, Rod-connecting are included in the Kvf400-c3 Prairie400 2001 Usa / 4x4 Crankshaft parts fiche.
The most expensive part in this assembly is the Crankshaft-comp.
In this schematic the "Roller-b4 13034-1084" is used most often.