The introduction of the 1986 Harley-Davidson XLH 1100 was big news for fans of the Harley Sportster. The 1986 models got their own version of the Evolution powerplant smoother and more reliable than the old design. Check out the Harley XLH 1100.
The 1912 Harley-Davidson X8A featured a 30-cubic-inch single-cylinder, a powerful engine for its time. By 1912, public demand for more power was answered with the X8A, which produced 4.3 horsepower. See pictures and learn about the Harley X8A.