Of all the components used in this assembly the Seat-assy,black/white is the most expensive.
The most reasonably priced component used on the Jt1200-a1 Jetski1200 Stx-r 2002 Usa Seat is the Bolt,6x18.
Some items from this specific schematic: Nut,8mm, Bracket, Bolt,6x18, Lock-assy,seat,f.blac.