At the heart of every great Harley-Davidson motorcycle is the engine -- here we've got 10 of the greatest of all time.
TJ started writing for TopSpeed in 2015, but has been writing on motorcycle and automotive topics since 2009 for outlets such as eHow, eHowNow, and MotorTrend subsidiaries. He is certified to work on ...
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The Smallest Engine Ever To Power A Harley-Davidson
Imagine a Harley-Davidson motorcycle with an engine smaller than the Honda Minimotos of today. Sounds silly, right? Well, the ...
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