The lowest price component in this Generator parts-list fiche is the Ybs67-5 Washer, Spring.
Parts such as the Generator: Stator Assy, Washer, Spring, Screw, Pan Head(3sx), Cover are included in the Yfb250fwg Maine New Hampshire 1995 Generator parts fiche.
On this parts fiche the Screw, Panhead (a93) is the most specified component.