The two-stroke engine is mostly a piece of history today, but there was a time when some of the coolest developments in engine technology were two-cycle engines. Here’s how two-stroke technology rose ...

Rotary engines have an aura of cool. In games of Top Trumps, the V12 might have been king, but a rotary was a joker, a wild card. A lack of mainstream success no doubt contributes; there are reasons ...

The KX™327X features lightweight aluminum rims with a 21-inch front wheel and 18-inch rear wheel, while the KX™327 is ...

The last time you may have heard that distinct, high-pitched sound of a two-stroke engine was probably when you fired up a leaf blower. That's because they have fallen out of fashion when it comes to ...

When I went to school for engine repair in the 1980s, we studied the differences between two- and four-stroke engine cycles extensively. If you're not familiar with engine strokes, understanding the ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...