The 2008 Honda TRX250X brings the SportClutch, allowing the young riders to avoid stalling the engine, while offering more experienced ones the possibility to shift for themselves. The race ...

It’s an Open Source Two-Stroke Diesel Engine that’s easy for anyone to build and has minimal moving parts. [Shane]’s engine is based on the Junkers Jumo 205 motor, a highly successful ...

A patent from Porsche shows it is working on an innovative yet complex new engine based on a six-stroke principle ...

This diesel engine gets its 6.7-liter displacement size from a bore of 4.21 inches and a stroke length of 4.88 inches. Cummins offers two different variations of the engine: a standard output and ...

Although they still exist, 2-stroke diesel engines aren't all that common, and 4-stroke engines are what you'll commonly see ...

QUESTION: What was the last car to have a two-stroke engine? As strict Western emissions standards were developed, two-stroke models were phased out. However, this was not the case in the ...

Things are heating up in the 125–150cc two-stroke motocross segment this year. We’re not just talking about those ever-present “bold new graphics” here. Instead, there are quite a few ...

A 4-stroke engine requires four of these movements (or two rotations of the crankshaft) to complete a power cycle in which air and fuel are drawn into the combustion chamber, compressed ...

This is commonly how modern combustion engines work. Some engines use fewer strokes per cycle. A two-stroke engine accomplishes everything in two movements of the piston. But it's sloppier ...

But now, Porsche has filed a patent to make a 6-stroke engine. The bottom line here is the introduction of two more strokes: Intake, compression, power, then compression, power, exhaust.

Essentially, it’s a six-stroke engine that relies on a different stroke ... Engineering seemed the best way to make a living in it, so with two mechanical engineering degrees I joined Chrysler ...

Disruptions of blood circulation to the brain may result in a stroke. It occurs in two forms, both potentially life-threatening. If you or someone with you exhibits signs of a stroke, do not delay.