how old is the motor? either buy a way better head or buy a new motor. and like the other guy said locktight everything. that should be your best friend. try running richer and check it out. also open the carb setting. if all else fails :mchgun: it
ya you see, i used it before that and it was working fine. Its happended before and i put it away for the day and the next day it was fine. And i think its something with my servo or connections. But i don't know. The throttle servo shakes or moves back and forth really fast. ??? i am really...