Speedfight 3 misfires and stalls?

Hi, my Speedfight 3 2-stroke 50cc AC isn't running the way I hoped it would. It runs at low revs when idling, but as soon as I give it even a little gas, it hisses (like a misfire) and then dies. Can anyone tell me what's causing this?

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martinreschke
1 year ago

Zischen? Snake in the tank. The sound can come from the wrong air intake. Loser carburetor…