You've probably heard of two- and four-stroke engines, but what are the four strokes of a gasoline engine? And how do they ...

You're probably familiar with the standard combustion process that powers most cars, but some engines use a more efficient ...

Years ago, the choice was clear: When it came to 2 stroke vs 4 stroke outboard motors, 2 stroke won every time. Two stroke motors offered a better power-to-weight ratio, were cheaper to manufacture, ...

As we begin the last article in this series on the basics of the internal combustion engine, let's stop to review what we've covered during the last five articles. We began last May by detailIing the ...

Harry has been writing and talking about motorcycles for 15 years, although he's been riding them for 45 years! After a long career in music, he turned his hand to writing and television work, ...

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 ...

Porsche was issued a patent for its six-stroke combustion engine on October 22, 2024. The company describes the new engine as having a "working cycle" of three complete crankshaft revolutions with two ...

The Saab 96, with a four-cylinder, four-stroke engine, was introduced on Aug. 2, 1967. Saab's technically advanced and long-lived 96 was introduced in 1960, replacing the 93, and featured a two-stroke ...