Carbon buildup on intake valves is part of life for direct-injected engines, but there are things you can do to slow it down.

V4 engines are still commonplace in certain high performance motorcycles, but decades ago, were more widely used in commuter sports cars and race cars.

Subaru boxer engines aren't inherently less durable than a comparable inline engine, but they are a little more ...

Mixing up strokes and cylinders? Learn how a 2-stroke combustion cycle differs from a 2-cylinder engine setup, and how each ...

For the first time since WardsAuto launched its annual propulsion awards in 1995, not a single pure internal-combustion ...

In hindsight, the wet belt should never have happened, but how many engines have them today, and what risk do they expose you ...

Inline-six engines are not unheard of in modern cars, but they're something of a rarity in the American auto industry. And yet, the perception among auto enthusiasts is generally that an i6 is vastly ...

The oil in your vehicle’s engine is pretty incredible. Its job is to protect every square inch inside your engine where there is metal-to-metal contact – your piston rings, cylinder walls, valves, ...

Kawasaki is most often associated with some fantastic motorcycles, but the company is also pretty heavily involved in the ...