The Nut,10mm is the most widely applied product in the KZ1000A2 KZ1000 1978 CANADA REAR WHEEL/TIRE/HUB/CHAIN ('79-' ( six times ).
Some items from this specific schematic: Washer,lock, O Ring,65mm, Nut,10mm, Chain Assy, Drive.
The most expensive part in this assembly is the Solid Wheel Assy,rear.