Parts such as the Crankcase: Ring-o,id:4.0, Jet-air, Bolt,10x180, Gasket,12.1x16.2x3.7 (nas) are included in the Ksf400-a1 Kfx400 2003 Usa Crankcase parts fiche.
On this parts fiche the Bolt is the most specified component.
This schematic depicts all components used in the Ksf400-a1 Kfx400 2003 Usa Crankcase partslist.