yeah i turned the screww all the way in and the engine died, but i tried screwing it in and out and changed heaps of times on that but it still died mid throttle or when taking off and wasnt gaining no where near as much power as usual when taking off and top speed. can i just change the jetting without changing the carb? or should i do the whole lot, here is what i am planing on doing parts wise. i have just ordered a Bando high power race coil, a race fan, and a power free flow air filter. is there anything i will need to changing for these parts? to make it run right?