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A good lawn mower will easily last 10 to 15 years when properly maintained. Unfortunately, not every homeowner takes the time to read the owner’s manual or pay attention to the machine from year to year, and as a result, they don’t provide the necessary care the outdoor power equipment requires. Here are just a few of the common ways mowers are damaged or die unexpectedly.

How to Kill Your Lawn Mower

1. Neglecting the Air Filter

Your mower has an air filter, which is responsible for catching dirt that would otherwise enter the engine and cause it to fail. However, the filter must be cleaned or changed at least once a year or every 100 hours of operation to ensure the debris isn’t preventing oxygen from reaching the engine. Without enough oxygen, the fuel won’t be able to combust in the cylinder to keep the mower running. 

2. Leaving Old Gas in the Tank

Before storing the mower for a prolonged period, take a few minutes to fully empty the gas tank. As gasoline ages, it breaks down, causing sediments and other contaminants to clog the fuel lines.

lawn mowerAlso, as the ethanol collects moisture, it will begin to sink to the bottom of the tank, leaving the reduced octane fuel on top. When you start your lawn mower up in this condition, the poor-combusting fuel will enter the carburetor and possibly damage it. 

3.  Forgetting About the Oil

A lawn mower has a small engine, and repeatedly heating and cooling the engine will have a strong effect on the oil. Leaving old oil increases the amount of sediment floating around your engine that can cause wear and tear and eventual failure. Typically, mowers will need an oil change every 25 to 50 hours of operation. However, you should perform an inspection each time the equipment is turned on. 

After letting the engine run for several minutes, pull out the dipstick to check the level and condition of the oil. If it’s black or you notice floating debris, turn off the engine and proceed to change the oil before mowing your grass. 


If your lawn mower is acting odd, bring it to Lost Mountain Outdoor Power Equipment in Dallas, GA, for servicing. This family-owned and -operated power equipment dealer carries a wide variety of outdoor products and parts from leading brands. They also have an on-site service department to help you provide regular maintenance for all your equipment. Call them today at (678) 363-7615 to request a quote and visit their website to view their products and available services.

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