What are Lawn Mower Engines?

There are many varieties of lawn mowers and consequently, there are many kinds of lawn mower engines. Each one performs a special duty – some are great for residential lawns, others are better for commercial properties, and some are perfect for golf courses. Some are powered by gas and others are powered by electricity. Some are pushed and pulled and others are ridden upon. Lawn mower engines are most commonly found in rotary push mowers and they, as a general rule, have internal combustion engines. Specifically, they usually are two-stroke cycle or four-stroke cycle engines. In addition, they typically are powered by gasoline and range from two horsepower (1.5 kW) to seven horsepower (5.25 kW). In general, they have a manual crank that starts their engines and a carburetor. Although, there are some models that have an electric start button. Some newer models even have a regulatory mechanism that stops the engine from being over-revved – great to elongate the life of the engine. ...  more