A two-stroke engine combines intake (“scavenging”) and compression into one stroke, then ignites the charge and exhausts it on the next stroke. Unlike a four-stroke and its every-other-stroke power ...

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 ...

Conventional wisdom suggests that our faithful internal combustion (IC) engines are heading the way of the buggy whip. The lithium-ion battery has arrived, emissions standards are tightening, and ...

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 ...

Two-stroke motorcycles are typically off-road motorcycles these days, and we don’t see many of them. Four-stroke machines have taken over, but not everyone has left two-strokes behind. I keep one in ...

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 ...