Lawn Mowers, Carburetors & String Trimmers

What happens to a lawn mower engine if the blade is sharpened unevenly without re-balancing?

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 Correct IncorrectAn unbalanced blade spinning at high RPM generates severe vibration that causes operator fatigue, loosens engine bolts, and damages crankshaft bearings.

What happens to a lawn mower engine if the blade is sharpened unevenly without re-balancing?

• The spark plug will become permanently magnetized
• The fuel tank will overflow with oil
• High-RPM harmonic vibration will rapidly wear crankshaft bearings and loosen bolts
• The grass will turn yellow