Two stroke motors offered a better power-to-weight ratio, were cheaper to manufacture, and easier to maintain. Today, advancements in engine tech and environmental regulations have made the gap ...

How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch? This is a challenge that [Camden Bowen] gladly set for himself, while foregoing such obvious wastes of ...

Although they still exist, 2-stroke diesel engines aren't all that common, and 4-stroke engines are what you'll commonly see ...

We’re introduced to the traditional two-stroke diesel engine as thermally efficient but not smooth-running, and then the gas turbine as smooth but much more inefficient. The free piston engine ...

Dubbed the Powerful, the experimental engine is a 730cc, two-stroke, two-cylinder supercharged and turbocharged diesel that makes between 47 and 67 horsepower and 83 to 107 pound-feet of torque.

Those models, such as the KX65 and KX85, feature 65cc and 85cc two-stroke engines, respectively, and are primarily aimed at racers competing in youth classes at local, state, and national levels.