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 ...

Given their need for compact packaging, motorcycle engines tend to have few cylinders — most commonly one or two. While one-cylinder or thumper engines are small, easy to maintain, and relatively fuel ...

While a motorcycle might have massive tires, a laid-back touring stance, or dual chrome exhaust tips, one thing often stands out – the exposed engine. Highlighted with finned cylinders, the exposed ...