The component with the lowest price in the GEAR CHANGE MECHANISM schematic is the Pin-gear Change Drum.
Parts such as the Gear Change Mechanism: Pin-cotter,3.0x20, Pin,dowel,8x18, Bolt,return Spring, Lever-assy-change,ped are included in the Kz650d1 Sr 1978 Usa Canada Gear Change Mechanism parts fiche.
With a quantity of five pieces, the Pin,gear Chnge Drum is the most used part in the GEAR CHANGE MECHANISM diagram.