Flat-Track Racing a Harley-Davidson XR750 WSJ's Dan Neil takes flat-track racing for a spin and attempts to master its signature (and dangerous) move: extending his left leg into a speedy turn. By ...

After over 40 years of dominating flat-track racing, Harley-Davidson has replaced the XR750 with its new XG750R, a liquid-cooled racer based on the 750 Street ... a steroid-fed dirt bike, and ...

The XR750 was Harley ... rich history in the dirt and mud, it was born in 1970 as an engineering marvel to replace the ...