After a lot experience with Helix machines my vote is you will be going up on that main. Not one time with bolt ins did I ever have to change the pilot jet. Don’t know where American sport works sources their carbs but they are unique. The factory main is way too small on it in stock form. With aftermarket air filter setup and an FMF exhaust we were at 140 if I remember right and I used a wideband sensor in the exhaust to tune it. I’ve got a thread somewhere detailing our trials and errors on our helix machines.
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