R&D Racing Project KTM 125SX 2 Stroke - Motocross Action Magazine

#twostroke #dirtbike #motocross Dean Dickinson, owner of R&D Racing, is one of the best two-stroke tuners on planet Earth. He has built two-stroke 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 powerband’s 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