You may have heard your car has a four-stroke engine, but you're not sure what that means. Why are there four? And what is a stroke, anyway? A modern gas engine most commonly uses pistons and a ...

If you want to know what kind of bike engine fits your needs, you need to know how a two-stroke differs from a four-stroke. Each of them has advantages and disadvantages. But you can't, or shouldn't, ...

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 ...

Giant-scale model cars (and airplanes) powered by small gasoline engines have been popular with adult racers for quite a few years now. The largest scale models available through conventional RC hobby ...

The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way. Honda pioneered oval piston technology in the 1970s for four-stroke racing ...

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, ...