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How to Maintain Your Gas Lawn Mower for Optimal Performance

by Kellen Peng on Apr 25, 2024

How to Maintain Your Gas Lawn Mower for Optimal Performance


Maintaining your gas lawn mower is essential for ensuring its longevity and optimal performance. Regular upkeep not only prolongs the life of your mower but also ensures that it operates efficiently season after season. In this guide, we'll walk you through the essential steps to keep your gas lawn mower in top condition.

Step 1: Cleaning:

Start by cleaning your gas lawn mower thoroughly. Remove any debris, grass clippings, and dirt from the mower deck, undercarriage, and engine. Use a brush or compressed air to clean hard-to-reach areas, such as around the engine and beneath the deck.

Step 2: Check the Oil:

Check the oil level in your gas lawn mower's engine regularly. Ensure that the oil is clean and at the correct level according to the manufacturer's recommendations. If the oil appears dirty or low, it's time for a change. Refer to your owner's manual for instructions on how to change the oil properly.

Step 3: Air Filter Maintenance:

Inspect the air filter regularly and clean or replace it as needed. A dirty or clogged air filter can restrict airflow to the engine, leading to poor performance and increased fuel consumption. Clean the air filter with compressed air or replace it with a new one if necessary.

Step 4: Blade Maintenance:

Check the condition of the mower blades regularly. Dull or damaged blades can tear grass rather than cutting it cleanly, resulting in an uneven lawn surface. Sharpen the blades with a file or grinder or replace them if they are severely worn or damaged.

Step 5: Spark Plug Inspection:

Inspect the spark plug periodically and replace it if necessary. A worn or fouled spark plug can cause starting problems and poor engine performance. Check the gap and condition of the spark plug according to the manufacturer's specifications and replace it if it shows signs of wear or damage.

Step 6: Fuel System Care:

Use fresh, clean fuel in your gas lawn mower and avoid using fuel that contains ethanol, as it can attract moisture and cause engine problems. If you need to store your mower for an extended period, consider adding a fuel stabilizer to prevent fuel degradation.

Step 7: Storage:

Properly store your gas lawn mower when not in use to protect it from the elements and prolong its life. Store the mower in a clean, dry area away from direct sunlight and moisture. Consider covering it with a protective tarp or mower cover to keep dust and debris out.


Regular maintenance is key to keeping your gas lawn mower running smoothly and efficiently. By following these simple steps, you can ensure that your mower performs optimally season after season, providing you with a beautifully manicured lawn year-round. For a wide selection of high-quality gas lawn mowers, visit PowerSmart's collection of gas lawn mowers.

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