Cooling fins are an iconic feature of motorcycle design. These blades made their mark early, with their parallel lines encircling the cylinders of classic bikes from day one. Whether on the striking V ...

Harley-Davidson has a lot of bikes to pick from, even if you're specifically looking for a liquid-cooled motorcycle. The Revolution 1250T engine is one of the flagship liquid-cooled motor in the ...

The Indian Pursuit PowerPlus 112 offers a unique blend of modern technology and classic American V-twin power, making it the ...

Bore and Stroke: 125 mm (4.92 in.) x 170 mm (6.69 in.) This engine was a double form of the Z9, which had nine cylinders. Salmson aircraft engines that were produced in France starting in 1913 by the ...

Bore and Stroke: 156 mm (6.14 in.) x 156 mm (6.14 in.) The BMW 801 was the first German high-performance, air-cooled radial engine of new design introduced after the start of World War II.