A look back at Yamaha's massive two-stroke engine changed the motorcycle world forever.

All the more so thanks to Kawasaki’s new bikes. For the first time in more than 20 years, Team Green has taken its two-stroke ...

After more than two decades without a new large-displacement two-stroke, Kawasaki is bringing the category back in a big way.

Kawasaki just did the unpredictable. Just when most of us thought the era of two strokes was over, the Japanese bikemaker has ...

Unless you're really into dirt bikes, you probably haven't touched a two-stroke engine in decades — if you ever have. These mechanically simple motors combine the four strokes we all know and love ...

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 ...

Kawasaki has revealed the KX327 and KX327X, led by a new fuel-injected 327cc 2-stroke engine for off-road use.

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...