The Washer,spring,6mm is the cheapest item from this partsfiche.
Of all the components used in this assembly the Ac Gen Flywheel is the most expensive.
Parts such as the Generator: Bolt,socket,8mm, Gear,start.driven, Bolt,a.c.gen12x30, Ac Gen Flywheel are included in the Cx500c Custom 1981 (b) England Generator parts fiche.