How does a two stroke engine work? The concepts involved showing the two-stroke engine cycle. Two-stroke engines require oil to be added to the fuel since the crankcase is exposed to the air/fuel ...

Gearheads and faithful Jalopnik readers already know the basics of an engine's bore and stroke, but for those that might be new here, let's dip our toes in the shallow end. An engine's bore refers to ...

You may have heard your car has a four-stroke engine, but you're not sure what that means. Why are there four? And what is a stroke, anyway? A modern gas engine most commonly uses pistons and a ...

When I went to school for engine repair in the 1980s, we studied the differences between two- and four-stroke engine cycles extensively. If you're not familiar with engine strokes, understanding the ...

With the promise of cleaner emissions and more power from a compact package, the Ford 6.0L Power Stroke was introduced in 2003. This new diesel V8 was a jump in power and refinement with the ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

Kawasaki has unveiled the 2027 KX327 and KX327X dirt bikes with a new 327cc single-cylinder, fuel-injected, liquid-cooled ...

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

I can never resist a good oddball engine, and this one’s pedigree is impressive. See if you can bend your mind around it. Most of you reading this probably have at least a basic understanding of how ...

Porsche patented a 6-stroke engine Outside of early Saabs, most gas-powered car engines are a 4-stroke Porsche's 6-stroke patent seems to indicate it could eke more power out of an engine Unless you ...

What if the engine of the future wasn’t just a dream, but a reality? Imagine a power source that combines the raw, exhilarating performance of a two-stroke engine with innovative efficiency, ...