According the company's Web site, the Tour Coupes run on a 49cc carbureated 2-stroke engine that is air-cooled. The vehicle's creator is quoted in the Los Angeles Times as saying that the 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 ...

It is powered by a peppy 49cc two-stroke engine. Gunning for the holeshot can be had with just a twist on the throttle ...

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 ...

Small, light and simple, the PW50 is powered by a 49cc air-cooled 2-stroke engine, able to deliver quite a punch, but in a non-intimidating manner. Thanks to the single-speed automatic ...

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 ...

The exhaust stroke is the fourth and last one in the cycle: the piston moves up to TDC, pushing burnt gases out of the ...

Tough just like its bigger 125cc-class brother, the 2014 MY Yamaha Zuma 50F also boasts on a 4-stroke 49cc highly-capable engine which makes this two-wheeler great for both commuting and zooming ...

Throughout the 1950s, Bridgestone would release upgraded 38.5cc and 49cc variants, all of them built on a bicycle ... was built on a pressed-steel frame and sported a 50cc two-stroke engine with ...

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 ...

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 ...