air cooled

Spec Showdown: Harley-Davidson Sportster S Vs. Indian Scout

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by Dustin Wheelen from https://www.rideapart.com An American middleweight melee. For decades, the Harley-Davidson Sportster dominated the American middleweight V-twin class, mostly by dint of being the only American middleweight V-twin. Without a top contender to challenge its reign, the Motor Company only issued modest upgrades since 1986. However, that all changed when the Indian Scout […]

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Harley Developing V-Twin With Variable Valve Timing

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Seems there’s still some life left in the air-cooled pushrod engine. Despite launching the LiveWire electric bike and entering a new performance echelon with the 145-hp, water-cooled Revolution Max engine, Harley-Davidson’s future is still firmly pinned on its traditional air-cooled, cam-in-block V-twins—and the firm is developing a completely new engine that ticks those familiar boxes.

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Vagabund V12 BMW R100 RT May Looks Like a Monster, But It’s Fully Street Legal

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by Daniel Patrascu from https://www.autoevolution.com The now defunct BMW R100 line, debuted by German bike maker BMW in 1976, went down in history as the last line of the air-cooled airheads produced by the Bavarians. While on the market, the family included a wide variety of models, and enough of them were made over the

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