The two-stroke gasoline engine was once a marvel of engineering, offering up huge doses of power in small and lightweight packages. Unfortunately, gas two-strokes also burn oil by design, making them ...

Kawasaki just did the unpredictable. Just when most of us thought the era of two strokes was over, the Japanese bikemaker has just released its first big two-stroker in more than two decades.

A traditional two-stroke engine has the piston pushing down after firing, moving past an exhaust port and allowing the exhaust gases to leave the chamber. Simultaneously, as the piston travels ...

According to claimed specs, KTM’s 250 XC weighs 2 pounds less than GasGas’ EX 250 (wet, without fuel).KTM ...

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, ...

Detroit’s had its fair share of comebacks, but this one might just be the wildest one yet. Meet the REV Force: a two-stroke, twin-cylinder, supercharged, direct-injected, flex-fuel internal combustion ...

Did you think two-stroke bikes were going away? Kawasaki is pleased to say that’s not the case. The green-and-black manufacturer just announced the KX327 and KX327X, its largest-displacement ...