Found this Choke-plunger on Ebay and was surprised 2X. Interesting because I've never seen a "steel" retaining nut nor an O-ring under it. No O-ring in any parts diagram I have yet to see. Anyone else?
Copy&Paste from E-bay: Photo permission pending !
Kawasaki KZ1000,Z1R,KZ650,Starter Plungers, Choke Plunger,16016-021
Seller : bazzafan (4118 ) 100% Positive feedback Get fast shipping and excellent service from eBay Top-rated sellers.