2014 Honda CRF150R Expert (CRF150RB), New 2014 Honda CRF150RB Motocross Race Dirt Bike - There’s nothing small about the size of its performance. Honda’s CRF150R is, hands down, the best MX machine in the Mini Class. Designed around a four-stroke powerplant that showcases plenty of Honda technology and graced it with the performance that will keep you up at the front of the pack and on the podium. And the CRF150R is available in two versions to fit a wider variety of riders... CRF150R Expert, featuring bigger wheels, a higher seat and longer swingarm.