An engine's displacement and compression ratio both play a big part in determining how much power it makes. Here's how the ...

And now for something completely different. The new Rotax outboard from BRP is designed to live below an extended swim platform, eliminating the intrusion a traditional outboard imposes on the transom ...

Now more than ever, professional operators are opting to run outboard engines on a various small military craft, patrol boats, multi-mission workboats and other vessels that have traditionally been ...

The purpose of your engine is to compress fuel and air and then ignite it, creating heat energy that then makes mechanical motion. If your engine can't compress the air and fuel properly, the engine ...

A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...

Getting an engine compression test for your car is a bit like having your blood pressure taken. It sounds complicated without context, but it's a relatively straightforward and painless procedure that ...

Displacing 175 cubic inches, Suzuki Marine’s new series of compact 200 hp outboards features inline four-cylinder blocks and boasts some cool features. I ran the new engines outside the Ocean Reef ...

Even just a handful of years ago, if you wanted a custom sport-fisher in the 35- to 55-foot range, the likely option was inboard power. But today’s new breed of high-horsepower outboard engines, with ...