Hi I'm new to the site and banshee's...I have a 99 that was running good but the sprocket and shifter seals leaked, then I rebuilt it. now after build the one cylinder some times runs then wont, in neutral it will rev out ok on both. if i hold the gas at the rite spot the left stator side brakes up,same if i drive it but in powerband its ok if i can get it in when i'm riding it. I have new rings and lite hone job 150psi on each,new gaskets with All seals.....new plug's,I switched the spark plug wires,checked the reeds,cleaned the carbs 3 times, the brass ball in the bowl is on choke lever side,slide cut outs on air filter side,coke tube is clear,carbs synced,tors kit with the tors unplugged also is the parking brake, the whole exhaust is clear...I have fmf fattys headers with paul turner tips,prodesign kit with k&n filter no lid,i think stock carbs with 310 main jets and 30 pilots.. I'm sure I forgot some things,Thanks.