V-twin motorcycles, in general ... and motorcycles are more of a lifestyle product as opposed to primary transport. The US landscape is vast and spacious and there aren’t as many corners ...

This list also includes the most powerful Harley-Davidson motorcycle today, a 150-horsepower adventure tourer.

The flat-twin, boxer, pancake, or horizontally opposed twin engine is still widely ... Benz in 1896 to its modern-day applications in BMW motorcycles, the flat-twin engine's unique advantages ...

First produced in 1949, the Citroën featured a 375cc air-cooled horizontally-opposed twin with 9 horsepower. The engine continued to improve over the next 42 years. The 2CV engine was built to be ...