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The best cut for your yard comes from a sharp lawn mower blade. A dull blade damages your grass by creating a ragged cut, which can lead to bare patches and other eyesores, as well as invite disease.

If you've ever cranked up your mower to be greeted with black, blue, or white smoke, it may have caused some panic. Generally it's an easy fix, so take a beat.

If you've performed all the necessary steps to maintain your lawnmower, there's a good chance the engine will outlast the rest of the mower. However, like all things mechanical, there is the ...