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

All information and specs are courtesy of the respective manufacturers unless ... end of Yamaha's most powerful motorcycles.

The motorcycle engine has come a long way from its auspicious 19th-century beginnings, evolving over the years to include ...

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. In comparison ...

A V-twin engine has always been a key characteristic of a cruiser motorcycle, especially an American one. As a result, we ...

numbers more suited to a compact hatchback than a motorcycle. According to Indian, the new 112 reaches its peak power numbers higher in the rev range than typical V-Twin engines, giving it better ...

The American manufacturer has armed its bagger and touring range with a new powerplant, and has given two models ...

V-Twin engines from Harley-Davidson and Indian have been dominant in American motorcycle culture for over a century. Modern V ...

Unlike the air-cooled Enfield though, the AJS gets a more authentic 75-degree V-twin engine with air-oil cooling, shrouded by chunky bodywork and blacked-out chassis components. Fed by an 18-litre ...