Pushrod V-Twins had a very unique design that involved the use of four camshafts connected by meshed gears. The reason for ...

Harley-Davison motorcycles are known for their use of big V-twin engines. The company's proprietary engine design has come a long way since the introduction of the first 49.5 cubic-inch version in ...

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 ...

Between 1984 and 1999 American bike maker Harley-Davidson fitted some of the bikes it made with an engine called Evolution. It was such a great piece of engineering that, regardless of the models that ...

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 present ...

Not only is it the birthplace of the historic brand, not only is it where hundreds of thousands of passionate customers visit every year, not only is it where the museum holds a timeline of motorcycle ...

A look back at more than a century of tough motorcycles After experimenting with a series of prototypes, 23-year old William S. Harley and 22-year old Arthur Davidson built their first bike for sale ...