Some items from this specific schematic: Gasket,reed Valve (nas), Screw,3x6, Bolt-stud, Bolt-stud-fine.
The most reasonably priced component used on the Jh1100-a4 Jetski1100zxi 1999 Usa Crankcase is the Pin,dowel.
On this parts fiche the Screw,3x6 is the most specified component.