I posted this to a different Teryx forum, and no one knows what the cause is nor the fix, on that forum. From that post, I found many have this issue, regardless of any mods, some don’t. Seems more have it than not. In the 10-20 mph range, in particular, I have a sputtering from the exhaust. I have the Dynatec CDI, HWTodd carb kit with larger jets, and the spark arrestor removed with a tip on it. I do have a flat spot with slight acceleration in this range, it may be related, it may not. Since others have this sputter, I don’t think it is.

Anyone here have any ideas.