RD Racing Project KTM 125 SX 2 Stroke Motocross Action Magazine

, twostroke, dirtbike, motocross Dean Dickinson, owner of R D Racing, is one of the best twostroke tuners on planet Earth. He has built twostroke engines for just about every top amateur coming through the ranks for the last three decades (and his dad Rudy did it before him). When it came time for Dean to build our KTM 125SX, his goal was not to change the powerbands personality. He wanted to raise the power output everywhere so it would make the same curve on the dyno. He cleaned up the cylinder, cut the