Add Yahoo as a preferred source to see more of our stories on Google. Motocross is an exhilarating sport that demands precision, skill, and the right bike. When it comes to choosing a motocross bike, ...

There are two basic differences between 2 stroke and 4 stroke motors. One has to do with how many strokes it takes a piston to complete an engine cycle (more on that below). The other has to do with ...