As humans, we like to weigh certain factors before making a purchase decision. Speed is one of them, and so, you may be wondering how fast a 150cc dirt bike can travel. It is an important question, as ...

Lifan produces a complete engine kit that fits the XR50 and several other brands of dirt bikes like Kawasaki ... out the factory engine for the Lifan 150cc, you get a bump in power from the ...

With plans to continue racing in the 150cc class going forward ... but my heart is with dirt bike riding. My heart tells me I was born to race dirt bikes.” While Stateline Speedway and ...