Another criterion was to include only step-over motorcycles, excluding even the iconic step-through ones like the classic 49cc Honda Supercub ... features of this two-stroke machine. The D1 100 was ...

Yamaha's first 4-stroke entry into the street bike category picked up ... and a surprising number of riders continue to restore and modify these diminutive bikes. Powered by 49cc engines with a tube ...

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

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

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.

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 ...

Standard equipment includes the features that come with this vehicle. Select Your Options Choose options to include in this vehicle value. Only select options that are in addition to standard ...

From the rather majestic Twini Mini to a modern Tesla, here are some models that were designed in this fashion, what became of them, and why they warranted two engines in the first place.

Arrowhead may be switching to a new game engine for the studio’s next project, according to a job listing from the studio. The Helldivers 2 developer is actively looking for a new technical lead ...

By way of comparison, the 250-Series Land Cruiser offered in the States is powered by a 2.4-liter gas-hybrid powertrain ... this early Power Stroke engine pushed out 450 lb-ft of torque ...