Every new internal combustion car and truck sold in America today is equipped with a four-stroke engine, as are the vast majority of motorcycles. Today, if you hear the loud, ringing song of a ...

Detroit Diesel has produced many classic engines, but the "Screaming Jimmy" two-stroke is likely the one with the most ...

Unless you're really into dirt bikes, you probably haven't touched a two-stroke engine in decades — if you ever have. These mechanically simple motors combine the four strokes we all know and love ...

When we talk about Saab, you might think of the carmaker's "Born from jets" marketing era or its slow, tragic demise at the hands of General Motors. But long before Saab was the eccentric's favorite, ...

Traditional Two-Stroke Engine Issues 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.

There are certain engines that move from being mere powerplants to becoming part of motoring folklore. Generally, these are engines that power vehicles worthy of motoring legend status, such as the ...

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, ...

When Polaris introduced the Patriot 9R, the goal was clear: create the most responsive and powerful naturally aspirated ...

There are some fascinating bikes out there that some of you might've never heard of. Today, I want to tell you more about a legendary bike that bridged the gap between Grand Prix racing machines and ...

While some cars have some monstrous engines, Saab surprised itself in the 1950s when it created an experimental twin-engined model to compete in rally races.