Well I believe your story if you believe I got 14 acres of swamp land on the sunny side of Mercury for sale to the right buyer like the US government. Heck I even sell it to the Russians if the price is right. I also got a 100 acres of swamp land of Venus sunny side too if you are interested.Carb adjusting tool? No sir, of course i don't have any. That would be illegal. I would never try and adjust a carburetor. Yes sir, that's my story and i am sticking to it.
As for US EPA rules on carburetors first they want licensed trained techs doing the adjustments. But when a DIYer replaces a carburetor they don't care how bad the carburetors are out adjustment. Just pollute away. That is just how big of idiots they are. Personally I got most of the EPA restricted tools and they are definitely needed for repairs.
As for the aftermarket mention in this thread I haven't seen one personally. It may be because I buy OEM. I just replaced a GVC 190 CARBURETOR ASSY. (BB76E A) 16100-Z8D-911 carburetor with a $12.57 OEM carburetor plus shipping. Besides the nozzle and main jet costs more than the whole carburetor. So why would I buy an aftermarket?