Why? Because every mid-engine rat rod 1948 Ford COE dump truck needs a tiny Honda Trail 90 rat bike in its former engine compartment, shrouded by a gym locker. With makeshift construction and a ...

What is MotoGP™ Engine Displacement? Learn how engine size affects competition, performance, top speeds, power delivery, ...

The two-stroke Suzuki RG500 brought the (at that time) insane performance from the track to the streets–it's a (literal) race ...

Polaris issued a recall on a recall this week, asking owners of four years of Polaris snowmobiles to bring them back to a ...

WinGD has won an order for two X-S short-stroke engines for container vessels to be built for X-Press Feeders at HD Hyundai ...

The two-stroke Rebel engine from Kawasaki ABS 2015, an iconic piece of American motorcycling heritage, undergoes a complete restoration to return it to peak performance. Years of wear and exposure ...

Unlike a four-stroke engine, which musters a single power stroke for every two revolutions of the crankshaft, Porsche's six-stroke affords two power strokes for every three turns of the crank.

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 ...

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 ...