2017 Honda Crf450rx, When it comes to motocross, our new 2017 CRF450R is huge news this year. But in the enduro, hare scrambles, and GNCC world, there s even bigger news: Introducing the new 2017 Honda CRF450RX, the ultimate weapon for serious off-road competitors. At its core, we ve taken our new CRF450R and optimized it for off-road racing. And not with just some new tires or graphics. We ve done it the Honda way the right way. And the results are, well, electrifying.