The most reasonably priced component used on the Gsx1300r Hayabusa 2001 (k1) Usa (e03) Seat (model K1) is the Washer(6.5x20x1.6).
thirty components are shown in this Gsx1300r Hayabusa 2001 (k1) Usa (e03) Seat (model K1) exploded diagram.
The Seat (model K1) assembly is constructed from several parts from which the Seat Assy(black) is the most expensive.