2009 Honda CRF150R, NEW 2009 HONDA CRF150 WITH UNICAM ENGINE AND ADJUSTABLE SHOWA SUSPENSION!!! - The CRF150R may be Honda's smallest MX machine, but it has everything it needs to be a big winner. It starts with a Unicam engine and an adjustable Showa suspension. Throw in a Pro-Link rear suspension just like the big boys, and even though it's designed for smaller racers, it's big on the features you expect from a Honda.