The Anatomy of the Two-Stroke Engine: Part Two

Yesterday we covered some of the main advantages of the two-stroke engine, namely the fact that it is lightweight, uncomplicated and inexpensive. But two-stroke engines aren’t without their drawbacks, which will become apparent as we go through their cycle.

Like all internal combustion engines, two-stroke units operate on the simple principle of igniting fuel (in this case a mix of gasoline and Evinrude XD100) that releases energy and creates some sort of motion. The spark plug in a two-stroke engine fires every cycle, delivering consistent energy to the piston. Many of the components in the two-stroke engine serve multiple purposes, which allows the units to have a lightweight, compact construction.

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