Besides, single-cylinder diesel engines are notably ... Yanmar is another reputable Japanese company offering small, air-cooled diesel engines. This comes as quite a surprise given the company ...

Air-cooled engines were once commonplace in the auto and moto industries. The most well-known were the Porsche flat six, VW flat four, Corvair, and numerous motorcycle engines, from BMW to Harley ...

In a way, Ducati returned to its roots: launched in 1950, its first model blurred the line separating motorcycles and mopeds with a 48-cubic-centimeter air-cooled single-cylinder engine.

The project started with a 212cc Predator engine that Harbor Freight sells for $150. It’s an air-cooled, single-cylinder engine with a cast-iron head developed to power lawnmowers and log ...