Parts such as the Frame: Bolt, Small Flange, Bearing (7y6), Stay, Fender 1, Bolt, Small Flange are included in the Yfm660fhr-w 2003 Usa Except California Frame parts fiche.
The lowest price component in this Frame parts-list fiche is the Bolt, Flange(8ab).
This FRAME assembly utilises four Washer, Plate(47x)(s) - the highest specified component.