Parts such as the Gear Change Mechanism: Pin-neutral Piston, Bolt,return Spring, Lever-assy-change, Spring,chg Pedl Rtrn are included in the Kz750k1 1983 Usa Canada / Ltd Belt Drive Gear Change Mechanism parts fiche.
The most reasonably priced component used on the Kz750k1 1983 Usa Canada / Ltd Belt Drive Gear Change Mechanism is the Bolt 6x20.