Hi, owner of two 2017‘s. One for me and one for my son. Bought them off the same guy, but one had the fuel mixture plug removed and the other one didn’t. The one that had the screw removed accelerates very quickly out of first and second. I don’t know what they did. Any suggestions? This one is for my son, so all advice is welcome. I have adjusted the fuel mixture screw and that didn’t work, checked the chain and that is fine, throttle play is fine and clutch play is fine. I just joined today, so thanks everyone for forming this thing. Hopefully I can be of assistance to someone else in the future.