arab st

Around $350

Have a 96'SHEE.Oversize bore .25 and Toomey T6 Racing kit(Pipes,Silencers,Needles,280# Main jets and High flow filter) +-How much hp am I running? I am running at sea level.I am aiming to beat a stock Raptor 700.I can't do porting at this stage(No porting facilities avialible) What extra mods do I need?Wynand

I fited my bike with Toomey T6 race kit. 280 main jet at sea level When started it runs great on idle,but when i open the throttle it revs up and come down real slowley or just starts runing away on its own.When i kill the swich only one cylinder dies,the other one just keeps going(key off aswell)What can the problem be?