General Motors may not be building a bike engine, but this two-stroke concept has real potential for motorcycle engineering.

GM has filed a patent application for a two-stroke engine valve system, which could enhance efficiency and control compared ...

It’s been a while since two-stroke engines went the way of the dinosaurs, with them being considered too inefficient, noisy, ...

If we ran a poll on Visordown tomorrow asking if people prefer two or four-stroke engines, the ringy-dingy two-smoke would ...

Dim’s fascination with cars began when he was just six. Born into a family of car enthusiasts and racing drivers, he started learning basic mechanics and driving from an early age. While he loves ...

Making a new engine while the world’s rushing to switch to electric vehicles only? Mazda said, “why not?” There’s a new innovator in town and it wants you to pay attention. Mazda’s SkyActiv-X engines ...

Ahh, two-stroke engines. Many people associate the sound (and smell) of a two-stroke with yard equipment, but for motorcycle fans, it signifies something else entirely – performance. See, before ...

Two common myths of emission control, according to John Sartain, a Miratech Crop. engineering manager, are that catalytic converters don’t work on two-stroke engines because such engines run “dirty,” ...

Conventional wisdom suggests that our faithful internal combustion (IC) engines are heading the way of the buggy whip. The lithium-ion battery has arrived, emissions standards are tightening, and ...

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.