The heart and soul of any motorcycle (battery-powered motorcycles notwithstanding) is its engine. From its mighty roar to its fierce torque, a reliable engine can turn an average motorcycle into a ...

Numerous articles and stories have been prepared by hundreds of experts on how to improve the internal combustion (IC) engine for more speed, power or what have you. Millions of dollars worth of ...

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 ...