Of all the components used in this assembly the Relay Assy,turnsignal Lamp is the most expensive.
The most reasonably priced component used on the Gsxr1000 2006 (k6) Usa (e03) Turnsignal Lamp is the Screw(4x20).
Some items from this specific schematic: Screw, Plate,rr Combination, Lamp Assy,rear, Bulb(12v21w,amber).