2005 kx 250 2 stroke, hahahaha Tobes that really funny! lol
Well if i put a new exhaust system on, then that means its lean and at quarter to 3/4 throttle.
Another thing im doing is dissembling the ting to clean the stupid power valve that jm didnt clean but we told them to clean. theres a huge build up of unburned premix. Thanks jm. now i have to do the whole rebuild over.