In this video, we examine the functioning of four-stroke and two-stroke engines, highlighting their differences along with ...

The best Cummins diesel engines are the result of decades of innovation, which all began with founder Clessie Cummins. They also have a history of racing at the Indianapolis 500. In 1934, Cummins ...

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 ...

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 ...

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 ...

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 ...