Harley-Davidson motorcycles are known for the characteristic "potato-potato-potato" sound of their engines. But what gives ...

American Cars And Racing just had to go two-wheeling for this one. A 1915 Cyclone V-Twin motorcycle was sold at ...

The 1909 Renault Gray Model 5-D was the first Harley-Davidson motorcycle to feature a V-twin engine. Harley-Davidson The V-twin did not truly begin its takeover of the two-wheeled world until around ...

At 131 cubic-inches (2,153 cc), the engine in the CVO Road Glide RR is one huge engine by anybody's standards. It packs the usual long-stroke layout, but punched out with a 109.5 mm bore and a 114 ...

Compared to its other relatively newborn Guzzi, the V85TT, and its small-block V-twin design, the V100 engine is 103 mm shorter in overall length. That's a bit more than four inches.

Designed by engineer Andrew Strand, the Cyclone’s 61 CI (996cc), 45-degree V-twin engine was the first in the US to use an overhead-camshaft, and at 45 HP, it was far-and-away the most powerful ...

Indian Motorcycles has unveiled the PowerPlus 112, a brand-new 112-cubic-inch (1,834cc) v-twin engine. It gets four valves per cylinder, overhead cams, and liquid cooling.