Ok, a little history. Bike leaked gas when I purchased it. Go a carb kit and it was fixed immediately. I checked the valves today and they were spot on. Rode it around and it seems to have some good sputtering while I'm on the gas. Played around with the air/fuel screw and it didn't seem to help any. Thoughts/suggestions? I haven been able to find a tool to get the spark plug out yet but it looks like ill have to buy one. Could this be a bad plug? Bike starts good, sometimes when it's heated up I have to use the hot start a few times and it always does the trick. Any help would be appreciated!