6. In the 1970s, Porsche developed a liquid-cooled four-cylinder V-engine for Harley-Davidson In the mid-1970s, they started designing a motorcycle that would now be called mid-sized sports and touring bikes. Star was equipped with a compact V-shaped four-cylinder 800-cubic engine with a liquid cooling system and a 60-degree angle of the collapse of the cylinder block. The engine was created by the designers of Porsche, and it was planned that the motorcycle will be available in three versions: racing, sports, and cruiser. Then the company H-D was in an awkward position under the wing of yank Machine (AMF), whose management began to realize that it was time to reduce costs and look for a buyer for Harley-Davidson. As a result, the star project, for which about $9 million was invested, was canceled. 5. The record for jumping on Harleys is not held by Evel Knievel Knievel is probably the most famous trickster, famous for his motorcycle tricks (including Harleys), but he no longer hold