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 ...

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 ...

Inline-four motorcycle engines earned their "screamer" nickname from the distinctive exhaust sound their high-revving engines ...

Close up of engine cover on a Harley-Davidson Milwaukee-Eight engine - Felix Geringswald/Shutterstock Harley-Davidson has a long history of powering its motorcycles ...

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 ...

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, ...

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 ...