Unscrew the exhaust from the cylinder, unscrew the spark plug and use a vigorous kick several times while gently touching the hole to the candle, Important, do not touch the cable. from the candle. Watch what comes out of the cylinder outlet and the spark plug socket. You may have too high a fuel level in your carburetor or a clogged exhaust. Before cleaning the carburetor, it fired at the carburetor or the exhaust, what was the color of the exhaust: it smoked black or more white and blue? Nobody will answer your questions without specifying details, unless his name is ... Maciej Sróżbita. A bit of humor. No offence.