i have had my g-51 for a bout a month now i had i all broken in and had a guy get it tuned perfectly but i went to take it out for the first flight and i just got it off the ground and it died, so i tried again and it died 3 more times, so i tried putting it a little richer then tried a little leaner and it still do it, what now? i was able to tune my os engine perfect but this engine has been a bit of a problem to keep running right, any help would be appriciated, thanks

Engine settings can change from day-to-day, especially in Autumn, when the weather starts to change a lot. With cool mornings and warm afternoons, you can experience significant changes in the needle settings. Please see the note on setting the carburetor at the top of this forum.