Parts such as the Seat: Bolt (4my), Nut, Crown, Washer, Plate, Washer, Spring are included in the Xvs1100 2002 5pbb Italy 1a5pb-300e2 Seat parts fiche.
The most expensive part in this assembly is the Single Seat Assy.
The Yamaha SEAT has twenty-one products enlisted in the schematic.