I am seriously thinking of changing from the stock cv carb to the mikuni 42. They get great reviews, but I would like to hear if anyone on the forum has had experience with one.....?
I have the Mikuni on my bike, with Drag Specialties forward controls. Extremely happy with the carb. Of course, I also upgraded the cam, ignition, air box, pipes, etc. This 80cc EVO motor performs magnificently. The carb was a significant part of the performance upgrade. However, I did the carb and cam at the same time, and I wouldn't have done one without the other. The other engine mods came later at different times.
I originally had some confort issues with the foward controls, but not anymore since I changed my forward pegs to floorboards, which, due to their design, stick out quite a bit as compared to foward pegs. Real happy with those. With my chaps acting as a bit of a cushion, I have no discomfort issues at all.
Good luck. I think you will notice a difference with the Mikuni.