A two-stroke exhaust pipe features a unique shape with varying diameters and an expansion chamber, which is specific to two-stroke motorcycles. Unlike four-stroke engines, two-stroke engines fire with ...

They were fast, loud, and smoky — then gone almost overnight.

The rattle, buzz and clatter of a two-stroke engine is unmistakable, but it isn't necessarily good for the planet. That's because A) two-strokes burn oil and B) they are inefficient. Lubricating oil ...

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...

General Motors and two-stroke engines aren’t exactly two things you expect to see in the same sentence, yet here we are. GM recently filed a patent for a modernized two-stroke design, and as ...

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

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, ...