The most reasonably priced component used on the Z750p4 1985 United Kingdom Wg Fender is the Washer.
Some items from this specific schematic: Fender-front,c.w.red, Flap, Screw,5x12, Brace,fender,c.w.red.
On this parts fiche the Bolt,flanged,8x16 is the most specified component.