I've got a new KDX 200, ('01 left-over). I've just finished the break-in process for the engine. However, I'm fouling plugs left and right. I believe that I'm running the engine hot enough to burn the oil, but riding on tight terrain/thick woods...I may not be. I'm running the pre-mix 32:1 using Yama-Lube and a NGK BR8ES spark plug. My air filter is clean and lightly oiled, is there anything I'm missing here?