The twenty-two Xr650r 2001 (1) European Direct Sales Rear Fender (dk/ed/u) component parts are all listed in this schematic.
A sample from the products for the Rear Fender (dk/ed/u) include: Plug,corn, Bolt,special Flan, Bolt,flange,6x20, Washer,plain,6mm.
On this parts fiche the Rubber,cushion is the most specified component.