After spending a lot of time with repairs, I have a fully well functioning hobbit (starts, idles, etc). It’s been fitted with the 70cc Dr kit, Mikuni vm20 , and proma pipe. There is a very light score on the piston but still works well. Seems to be tuned properly on the low end, but on the top end and in transitioning to it after 1/2 throttle it runs really rich. I’ve downjetted several times and feel some improvement but I worry I’ll be at a really low jet size soon and the issue will persist.
Any ideas? I’ve ordered another jet set and that’s where I’m at