For reliability, time was the test and the Evo Sportster exceeded ... and from my experience as a certified Harley-Davidson mechanic. Over the years motorcycle have become more and more reliable ...

Thus, Harley boasts quite the impressive assortment of motorcycle engines ... One of the most notable is the Evolution engine, which hit the market for the first time in 1984.

Harley-Davidson isn't the oldest American marque – that distinction goes to Hendee/Indian – but it's the only one that has been in continual operation since its inception in 1903 up through ...