The forty-four Gz250 Marauder 2000 (y) Usa (e03) Gear Shifting component parts are all listed in this schematic.
The lowest price component in this Gear Shifting parts-list fiche is the Washer(12.5x20x1).
Some items from this specific schematic: Pin, Fork,gear Shift No.3, Guide,gear Shift Cam, Nut.