Parts such as the Cylinder Head Cover: Washer,head Cover Bol, Ring-o,head Cover Bol, Pin-dowel, Cylinder Head Cover are included in the Ksf250-a13 Mojave250 1999 Usa California Cylinder Head Cover parts fiche.
In this schematic the "Bolt,l=20.5" is used most often.
The Cylinder Head Cover is made up of components including this Cylinder Head Cover which is the most expensive.