HOW 4 STROKE ENGINES WORK
The modern four-stroke engine is not that different from the first motor created by Nikolaus Otto in 1876. Despite all of the technical advancements such as electronic fuel injection, direct injection, variable valve timing, and much more, an engine still operates through four basic different steps: Intake, Compression, Ignition, and Exhaust. The infographic below illustrates the basics of how an engine operates and creates power from fuel. Infographic provided by Apex Customs.