yeah it was stupid im going to buy some toomy t5's next week. but some guys at a local atv place said it wouldent hurt it i couldent stand the stock pipes, it ran fine before i put an intake on and tryed to rejet it now i cant get it to run right seems like one cylender is hitting harder then the other but i can get it to idle and kick over pretty easy we were messing with the adjustments on the top of the carb and i got 340jets in there now with the washer on the very bottom of the needle some guy that works at yahmaha told me to do that. i am in way over my head on this one if anyone can help im on AIM as lb9591 thanks alot