These ten Harley-Davidson engines are just as legendary as the models they powered - and they will run forever with the right ...

perhaps even with liquid-cooled heads like the "Center-Cooled" engine on the updated touring models. We'll know for certain after Harley-Davidson's announcement on Jan. 23.

Harley-Davidson has been around for 120 years and ... One such example was its first water-cooled engine developed in conjunction with Porsche for the V-Rod in the 2000s. Another deviation from ...

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Contracted by the military to provide motorcycles to the U.S. Army during World War II, Harley-Davidson produced ... overhead cams, and water cooling. The Pan America provides a comfortable ...