One 1970s motocrosser got so violent that its own factory had to disown it and start from scratch.

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 ...

Towards the second half of the 20th century, the quest to create an engine with more power, long-term reliability, and higher efficiency was something akin to the search for El Dorado. In their ...

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 ...

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 ...

GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...

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, ...

Have you ever woken up in the middle of the night worried that you have never, ever changed the oil on your two-stroke lawnmower? Well, you can relax. A two-stroke oil change is like a left-handed ...