 Some of the differences between the "R" and "WR" models were the oil pump, carburetor, TM30SS vs.TM28SS, larger reed cage with 6 petals vs. 4 petals, longest final gear for the 3xp, plastic tank vs.steel gas tank, little shorter seat height on DT200WR model, with the same design in full body generally the 3xp was the model for every day use, plus 10 kg of weight.The WR200R cylinder had exhaust boost ports, whereas the DT200R didn't.In addition, the DT200WR had oil injection.