Parts such as the Gearshift Drum: Pivot,shift Drum, Shaft,shift.fork, Fork,l,gearshift, Spg Drum Stopper are included in the Cb250 1998 (w) Australia / Kph Gearshift Drum parts fiche.
On this parts fiche the Pin,gearshift is the most specified component.
The most reasonably priced component used on the Cb250 1998 (w) Australia / Kph Gearshift Drum is the Bolt,flange,6x20.
