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Auto | Motorcycles | About Harley-Davidson Motorcycles

Learn more about Harley-Davidson motorcycles. Get details and specs on all your favorite models, plus learn about the mechanics and science behind the beloved motorcycle company.

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How Harley-Davidson Works

It could be the distinctive body styling, or maybe it's that tellatale sound. There's just something about Harley-Davidson motorcycles that hundreds of thousands of folks can't resist. Find out all about this motorcycle icon.


The Ultimate Harley-Davidson Quiz

The Ultimate Harley-Davidson Quiz

How much do you know about Harley-Davidson? Test your knowledge of the motorcycle company with this quiz at HowStuffWorks. See more »

Hog Wild: Harley-Davidson Logos Through the Years

Hog Wild: Harley-Davidson Logos Through the Years

Harley-Davidson tank logos have changed many times over the years. Take a tour of Harley history through these tank logos. See more »

Need for Speed: Harley-Davidson Quiz

Need for Speed: Harley-Davidson Quiz

This is the ultimate Harley-Davidson quiz. How much do you know about these world-famous bikes? Find out in this Harley-Davidson Quiz from HowStuffWorks. See more »

Harley-Davidson History

Harley-Davidson History

Harley-Davidson history spans over a century of innovation and excellence in motorcycle production. Learn about the history of Harley-Davidson. See more »

Harley-Davidson Engines

Harley-Davidson Engines

Harley-Davidson engines have evolved from early single-cylinder models to today's advanced Evolution engines. Learn about Harley-Davidson engines. See more »

How Harley-Davidson Works

How Harley-Davidson Works

Harley-Davidson is the most popular brand of American motorcycles. Find out what sets Harley-Davidson apart from other bikes and how Harley-Davidson engines evolved. See more »

What gives a Harley-Davidson motorcycle its distinctive sound?

What gives a Harley-Davidson motorcycle its distinctive sound? See more »