The core of the engine is the cylinder. The piston moves up and down inside the cylinder. The engine described here has one cylinder, but engines vary from four all the way to twelve. In a multi-cylinder engine the cylinders usually are arranged in one of three ways: inline, V or flat (also known as horizontally opposed or boxer).

The spark plug supplies the spark that ignites the air/fuel mixture so that combustion can occur. The spark must happen at just the right moment for things to work properly. A piston is a cylindrical piece of metal that moves up and down inside the cylinder. Piston rings provide a sliding seal between the outer edge of the piston and the inner edge of the cylinder. The rings serv

The connecting rod connects the piston to the crankshaft. It can rotate at both ends so that its angle can change as the piston moves and the crankshaft rotates. The crank shaft turns the piston's up and down motion into circular motion just like a crank on a jack-in-the-box does. The sump surrounds the crankshaft. It contains some amount of oil, which collects in the bottom of the sump (the oil pan).

e two purposes: they prevent the fuel/air mixture and exhaust in the combustion chamber from leaking into the sump during compression and combustion, and they keep oil in the sump from leaking into the combustion area, where it would be burned and lost.

Most cars that "burn oil" and have to have a quart added every 1,000 miles are burning it because the engine is old and the rings no longer seal things properly. The combustion chamber is the area where compression and combustion take place. As the piston moves up and d

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Approximate Word count = 625
Approximate Pages = 3 (250 words per page double spaced)