Shindy carb kits are junk and that motor is toast. Quit trying to run it before you make it worse than it is. Leak down test it before tear down. There is no riding in the condition it's in now v
You need to get next to a known good banshee and start swapping parts. CDI's are generally all or nothing but I have seen some crazy stuff like this one time. Ended parts swapping with bhatch21 and eventually the Cdi was the problem.