Originally Posted by Chrisnvegas
Didn't know that. More stolen intellectual property from the communists.
I think its more to do with the patent expired. Look at all the cheep CDI multi spark ignitions now.
The only thing that wares out on them a the throttle shaft bushings. For less than 25 dollars you can buy the tool and sintered bronze oil impregnated bushings and have a brand new carb.
Also drilling out the emulsion tubes to a larger hole helps atomize the fuel better and the larger hole helps prevent clogging. Which they do on occasion. I think I drilled them to .037.