One thing you guys who say the 2 stroke 250's don't dominate, leave out... The fact that fast riders do not ride a 2 stroke. Unless they are KTM riders and even then it's iffy. Why? Because they get bikes either really discounted or free, depending on the dealer. For instance, and fact. Brandon Haas went to a Yamaha 450F, after asking for a YZ250. The dealer gave him a better deal on the 450F than a 250 2 stroke with 6 year old development. How's that for a kick in the teeth. He went with a 4 stroke, only because he was pressured into it. The dealer wouldn't budge on the 250 2 stroke price, even as a sponsored rider. But the 450F, got thousands off. 250F's are even cheaper with those discounts. So not many fast riders will shell out an extra couple thousands, just because they want to. Fact is, Bud Moore is doing very well against 450F's with his 2002 stock CR250R. I sent him an intake, but other than that and a pipe, stock. He has not had it ported yet.