At the heart of every great Harley-Davidson motorcycle is the engine -- here we've got 10 of the greatest of all time.

Harry has been writing and talking about motorcycles for 15 years, although he's been riding them for 45 years! After a long career in music, he turned his hand to writing and television work, ...

Some engines hum. Some whine. Others roar. But Harley-Davidson motorcycle engines rumble. Harleys produce a low, deep-throated, somewhat syncopated vibration many aficionados describe as ...

The Harley-Davidson 103 engine is often described by riders as being faster than earlier Twin Cam versions like the 88 or 96, along with having more features like ABS and an oil cooler. That said, ...

Harley Davidson has revealed the 2014 version of its famous trike, the Tri Glide Ultra. The vehicle has received the Rushmore treatment, so it comes with a few upgrades that make it better suited for ...

Motorcyclists often wave to one another in camaraderie. Many bikers greet all others, but some hard-core Harley-Davidson riders won't acknowledge another brand. Harley itself confused traditionalists ...