Some items from this specific schematic: Washer,drum, Spg Drum Stopper, Oil Seal, Pin, Shift Return.
The most reasonably priced component used on the Cb250 2001 (1) Portugal Gearshift Drum is the Bolt,flange,6x20.
The eighteen Cb250 2001 (1) Portugal Gearshift Drum component parts are all listed in this schematic.