Your line going into what I believe is the 4th corner (the double left after the hairpin) is to narrow, everyone is pulling away from you and the kart is bogging down as you are having to put alot more left hand lock on the wheel. Rotax also don't have great torque compared to an X30 so they already struggle out of the corners. If you just open it up abit and have a slightly wider apex on the first half of that corner you will have a much straighter line on exit.
