In this schematic the "Shaft,gear Shift Fork" is used most often.
Parts such as the Gear Shifting: Fork,gear Shift No.3, Stopper,gear Shift Cam, Nut, Cover,dust are included in the Gz250 Marauder 2001 (k1) Usa (e03) Gear Shifting parts fiche.
The Washer(12.5x20x1) is the cheapest item from this partsfiche.