How do you know when something's a genius invention? For me, it’s when I see it and instantly go: why didn’t I think of that?

Two-stroke engines were phased out by tough pollution laws, but they could be making a comeback with KTM, Honda and boutique builders.

Detroit Diesel's 2-stroke diesel engines were eventually replaced with 4-stroke models, but parent company MTU still sells refurbished parts.

The two-stroke engine is mostly a piece of history today, but there was a time when some of the coolest developments in engine technology were two-cycle engines. Here’s how two-stroke technology rose ...

Years ago, the two-stroke had its time in the sun before disappearing from motocross. Here's the story of why these engines aren't around much anymore.

The type of engine he’s making is a 2-stroke. That makes the design much simpler as there are no mechanically controlled valves a like 4-stroke motor.

Delivering a powerful punch each and every turn of the crank. Read the full story on the two-stroke engine's expected revival, at Automobile Magazine online.

Posted in Engine Hacks, Slider Tagged 2-stroke, DIY engine, DIY Motor, Homemade Internal Combustion Engine, homemade motor ← Muscle Wire Pen Dances To Duke Nukem ...

The end result was a two-stroke engine that produced up to 200 horsepower per liter, nearly double what was previously possible—the most powerful engine ever at the time.

Porsche has filed patent documents with the U.S. government for a six-stroke internal combustion engine.

The main, anomalous remnants of poor-country pollution standards in the developed world are the two-stroke engines we encounter more often on leafblowers than anywhere else.