Every new internal combustion car and truck sold in America today is equipped with a four-stroke engine, as are the vast majority of motorcycles. Today, if you hear the loud, ringing song of a ...

The piston ends its downstroke and begins moving upward, compressing the air/fuel mix until combustion happens and the whole cycle begins anew. This means that the high torque efficiency of the ...

As PopMech’s autos editor, I obviously consider myself a car guy. But when it comes to two wheels, the capabilities of modern motorcycles astonish me. We now have road-legal bikes that produce over ...

The Industrial Revolution's strides produced many miracles. Advancements in metallurgy and improved technological practices made the mass production of precision parts possible and, with time, ...

For more than a decade the name Wankel has popped up whenever car enthusiasts start talking about advanced-design automotive powerplants. The theory of the Wankel engine goes back to 1954 when Dr.

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Dmitry is a former Motorcycle Safety Foundation Rider-Coach, a writer of several fiction novels, a travel junky and an occasional YouTuber. He's owned and ridden a lot of motorcycles, loves vintage ...

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 ...

When I was just married and I bought a golden yellow Chevrolet station wagon, I realized that I was headed for a pattern of life that was best expressed by Thoreau, who said, “Most men live life of ...