I logged in just to comment on this post lol, what a story to read honestly. I recently have been working on motorcycles and I just fixed a yamaha virago from ground up, I had no experience/knowledge of how a motorcycle works and I still dont know how to ride a motorcycle. I noticed that the carbs are the same in parts placement and functionality and I stumbled on this post as I was looking for the amount of turns for the jet, I bought a 1984 venture royale and I will convert it to bobber, I have it in barebones and yesterday I finally got the motorcycle to get its first spin on the engine, I was so happy the engine was not seized, but I digress, you really have changed my perspective on pushing through to get answers to fix an issue, this story will live rent free in my brain as a testament of persistence, I kind of went through the same predicament with the virago, I ended up changing everything on that bike but now I can say it runs and I get complements from people about it. hats off to you my friend, I will be going through a leghtly process myself and this gave me the extra kick i needed to believe anything is possible. cheers to those sleepless nights and boom you got the answer.