To view the slideshow click here THE BEGINNING William Harley In 1901, William S. Harley, age 21, drew up plans for a small engine with a displacement of 7.07 cubic inches (116 cc) and four-inch (102 mm) flywheels. The engine was designed for use in a regular pedal-bicycle frame. Over the next two years Harley [...]

To view the slideshow click here MotorCycle For World War I WORLD WAR I In 1917, the United States entered World War I and the military demanded motorcycles for the war effort. Harleys had already been used by the military in border skirmishes with Pancho Villa but World War I was the first time the [...]