We’re introduced to the traditional two-stroke diesel engine as thermally efficient but not smooth-running, and then the gas turbine as smooth but much more inefficient. The free piston engine ...

How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch? This is a challenge that [Camden Bowen] gladly set for himself, while foregoing such obvious wastes of ...

You're betting on a 49cc two-stroke machine with a throttle limiter, a single-speed auto-clutch transmission and sporting a livery inspired by the RM competition bikes. Tough as nails and light ...

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

With the fully automatic transmission of the approachable 49cc two-stroke engine, shifting is not necessary. Riders can focus ...

In the exhaust stroke, the exhaust valve is open and the combustion products are expelled from the cylinder. The sequence shown on the next page represents this behavior for a Mitsubishi direct ...

4stroke is used in gixxer.2 stroke engines are no longer used in any bike as it causes more pollution and are not efficient as 4 stroke engines.

It's been a long time since the automotive world has bothered with the mixing of oil and gas of the two-stroke combustion cycle — but soon, it may come time to rid ourselves of four-stroke ...

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.

Stroke is the fifth leading cause of death in the United States. It's also one of the top causes of disability. There are two types of stroke. Ischemic stroke is similar to a heart attack ...

With the intended audience in mind, it should come as no surprise that KTM makes its 50 SX approachable with its 49cc ...