The most reasonably priced component used on the Kz750b1 1976 Usa Canada / Mph Kph Chassis Electrical Equipment is the Washer-spring,6mm.
This Wiring Harness, Main is the most expensive of the items that make up this Chassis Electrical Equipment assembly.
Some items from this specific schematic: Washer-spring,8mm, Fuse 10a, Bolt-hex,head,8x25, Collar,horn Fitting.