A two-stroke engine combines intake (“scavenging”) and compression into one stroke, then ignites the charge and exhausts it on the next stroke. Unlike a four-stroke and its every-other-stroke power ...

The sounds. The smells. The feels that electrify the senses and carry you back to simpler times. For many motorcycle enthusiasts, working and riding on two-stroke bikes capture the essence of a bygone ...

If you race motocross, you might wish that two-strokes would make a comeback. They’re generally cheaper to maintain, easier to work on and are lighter than their four-stroke counterparts. And, thanks ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the most significant contributions in the history of propulsion technology came from a 19th-century engineer named Rudolf ...

What if the engine of the future wasn’t just a dream, but a reality? Imagine a power source that combines the raw, exhilarating performance of a two-stroke engine with innovative efficiency, ...

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 ...

Engines such as automobiles and airplanes, vehicles and machines around the world are equipped with engines that generate power. Ever since the first steam engine was invented in the mid 1600's, ...