Popatopracing
New member
My sons 206 ran mint last year this year I cleaned the carb put fresh gas in it it starts and idles good but reves up slow and has a hard time to move the kart any idiea what could be wroung The only thing I did this year is I put 1oz of marvel mystery oil in 1 gal of gas I just did that cuz the motor sat a while with out running. Thanks for any help