Back in 1969, the AMA Grand National Championship rules changed enough that the dominant force of the time, Harley-Davidson, had to come up with something new to replace the KR750 it was fielding back ...

Back in 1970, Harley-Davidson decided it's time to replace the KR750 competition bike with a new model. Its replacement was the XR750, a motorcycle considered to be the most successful one ever to ...

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.

Stop into an AMA Grand National event on any given night during the late Seventies, and you’d probably witness the following scene: The Harley-Davidson XR 750, dancing across dirt, leading a long line ...