The two-stroke gasoline engine was once a marvel of engineering, offering up huge doses of power in small and lightweight packages. Unfortunately, gas two-strokes also burn oil by design, making them ...

Two-stroke and four-stroke dirt bikes each bring unique strengths to the track and trail. Two-strokes are light, responsive, and agile, while four-strokes deliver smooth torque, stability, and ...

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...

The best Cummins diesel engines are the result of decades of innovation, which all began with founder Clessie Cummins. They also have a history of racing at the Indianapolis 500. In 1934, Cummins ...

If you're a fan of motocross or supercross racing, you probably know that Kawasaki makes a couple of two-stroke motocross bikes. Those models, such as the KX65 and KX85, feature 65cc and 85cc ...

The heart of this build is a Suzuki DT225 engine. This 2-stroke 2,700cc V6 is well-known as a reliable, powerful fuel-injected outboard motor for fishing boats. It’s rated at 225 horsepower (168 kW), ...

With a Master's degree in English Literature and six years of writing experience, Aayush has been contributing to TopSpeed for over two years. Since 95% of his personality is motorcycles, he goes ...