It’s an Open Source Two-Stroke Diesel Engine that’s easy for anyone to ... he’s scaling the design down to a 50cc motor with the intent of scaling the design up to 125cc and 250cc.

Technically, the Messerschmitt KR 175 is the car with the smallest mass-produced engine (173cc), with 15,000 units sold, ...

Engine Configuration Two-Stroke Single Cylinder; Air-Cooled Engine Displacement 49.6cc (3.03 cu-in) The humble 50cc single ...

Ever wondered why the Honda-owned circuit has a corner named after a German Suzuki rider? It’s a bizarre tale involving ...

Yamaha’s funky race replica two-stroke scooter is nippy ... It’s pretty much impossible to thrash a 50cc machine as the engines are designed to be redlined most of the time so as long as ...