The Hercules W2000 was the world's first production rotary motorcycle, beating Suzuki's RE5 to market in 1974 with a 294-cc ...

Last week, Yamaha revealed a hybrid motorcycle engine system it's working on, plonked in a maxi scooter prototype. It could spell an interesting new direction for the Japanese two-wheeler giant to ...

Motorcycle engines live and die by how well they shed heat, and the choice between liquid and air cooling shapes everything from performance to maintenance. Riders weighing a new purchase or planning ...

Between the immense cost of R&D and the added complexity and expense of production, you’ll find that most motorcycle brands tend to field one or two engine configurations (i.e., V-twin, inline-four, ...

A motorcycle engine can deliver years of reliable service, but riding habits can make a dramatic difference to how long it lasts. Expensive engine problems ...

Luke started working as a Freelance Writer for HotCars back in 2020. Over the next six years he has split his time between HotCars and TopSpeed, working as an Editor, Journalist, and Writer. In ...

Luke started working as a Freelance Writer for HotCars in 2020. After three years, he moved to a more permanent role with the TopSpeed motorcycle content team as a Journalist. Over the years, there ...

Whether we're talking about vehicles with two or four wheels, a primary goal of engineers is to wring out as much power from each unit of displacement for every engine they make. This keeps weight ...

Harley-Davidson has a long history of powering its motorcycles with "Big Twin" engines. So much so that the company's Milwaukee-Eight engine represented the ninth generation of these iconic ...

There is this phrase Americans love that says there's no replacement for displacement. For one reason or another, the country came to the conclusion that the bigger the engines used in their cars are, ...