KTM’s 2023 competition bikes comprise the most comprehensively changed line-up in the company’s history. Everything is new: the 450SX-F, the 350SX-F and the 250SX-F have the Factory Edition frames and motors. On top of that, the 300SX, 250SX and 125 SX two-strokes are completely different. All have electric start, all have fuel injection and all have electronic powervalves. KTM invited us to a one-day whirlwind of testing at Red Bud in Michigan and we came away with solid impressions on what’s different and more importantly, what’s better.