Definitely a jet plugged up.It sounds like the pilot jet tho. Either way remove both jets to blow them out.
I lay on the seat and reach the carb.
Silicone the o-ring into the carb insulator (black plastic piece).
If you put a filter on the carb vent hose you will eliminate the plugged jet problem.
2000 GNC 5N\
2001 GNC 9N \ 40+ class
2004 GNC 9N /
2014 rock crusher "GO tortoise GO!"
2016 Byrd Rooster
Father of the "11" time National champion,and worlds fastest woman ATV racer
A few fast LT80's
250R~300cc's
300ex
350 Rancher
Kymco Mongoose
Survivor of the 12 Hours of ATV America 04 and 05