I have problem .... POLAND

[maatiaas]

Hi evrybady. I from Poland so my English is not very well. In Poland we have a little be Firestorm, this model is not popular in my country. My vtr work very well on the small rpm, and middle rpm. Firestorm interrupts and lint when have 6,5 rpm - 8 rpm, after work well . I change carburetor but it did not help ... Can you help me ?

[thumperslaw]

Have you removed the black tray that sits under the carbs? This blocks holes around the front of the frame.