When one thinks of air-cooled motorcycles, vintage cruisers such as Harley-Davidson come to mind. However, Honda's wildly successful CB750 was also air-cooled. By comparison, liquid-cooled bikes came ...

Finned engines have long been a trademark of motorcycles, but today's newer designs don't necessarily need them. So what do ...

NIkolay Shkolnik says LiquidPiston’s X Mini rotary engine can double fuel economy, eliminate noise and vibration and reduce the size of engines by 30% to 75%. Check out the video: a four pound X Mini ...

Thanks to its tough construction, rugged wheels and potent engine, the Suzuki DR-Z400S is able to reward you with first class performances both on- and off-road. To be able to deal with tough jobs ...