Some items from this specific schematic: Screw-pan-cros, Plug,pilot Air Screw,, Screw, Slotted, Spring-thr Stop Screw.
Check out any of the sixty-four Carburetor Parts ('79-'81 C2/c3/ components enlisted.
The most reasonably priced component used on the Kz1000c4 Police 1000 1981 Usa Canada Carburetor Parts ('79-'81 C2/c3/ is the Washer-spring,4mm.