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

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

Kawasaki has unveiled the 2027 KX327 and KX327X dirt bikes with a new 327cc single-cylinder, fuel-injected, liquid-cooled 2-stroke engine, marking the brand's return to big-bore two-strokes after two ...

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 ...

Humans have been showing and telling each other stories since the beginning. The methods may have changed, but the basic drive to communicate what we've learned to our fellow humans remains. Hence, ...

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 ...