DIY Lawnmower Maintenance

Darren and Erin Forder

10 tips to maintaining your lawnmower this spring

Maintaining your lawnmower is crucial for ensuring it runs efficiently and has a long lifespan. Here are some DIY lawnmower maintenance tips:

1. Change the oil and lubricate moving parts - Before each use, check the oil level and top up as needed. Once a year or after 50 hours of use, drain the old oil by tipping the mower on its side or using the drain plug (if available). Refill with fresh oil according to the manufacturer’s specifications.

Apply lubricant to the mower’s wheels, pivot points, and other moving parts to prevent rust and ensure smooth operation.

2. Check the air filter and spark plug - Remove the air filter cover, take out the old filter and use a compressor to blow it out. Or if it's a foam filter, you can wash it with soap and water, then let it dry before reinstalling. If it is damaged, replace it with a new one.

You can inspect the spark plug by disconnecting the spark plug wire, and removing the plug using a spark plug wrench. If it is damaged or you have trouble starting the mower, install a new one. Ensure it’s properly gapped according to your mower’s specifications.

3. Sharpen the blades - Disconnect the spark plug, then remove the blade. Use a bench grinder to sharpen the blade, or fasten to a vice and use a file or angle grinder, keeping the angle consistent. Balance the blade before reinstalling it.

4. Inspect and replace belts (for Ride-on mowers). - Check belts for wear or cracks. Tighten if they are too loose and replace them if they appear damaged or if the mower isn’t driving correctly.

5. Clean the deck after each use - Use a hose or a putty knife to remove grass clippings and debris from the underside of the mower deck. A clean deck prevents rust and improves mowing performance. It also helps with weed control as it prevents you from accidently spreading seeds.

6. Inspect the fuel system - Check for any fuel leaks or cracked fuel lines. Replace the fuel filter if your mower has one. At the end of the season, either run the mower dry or add a fuel stabilizer to prevent the fuel from going bad.

7. Battery Maintenance (for Electric Mowers) - Keep the battery charged and clean the terminals to prevent corrosion. Store the battery in a cool, dry place during the off-season.

8. Check the tyres - For fuel-powered mowers with pneumatic tyres, check tyre pressure and inflate as needed. Inspect tyres for wear and replace if necessary.

9. Adjust the mower height - On Push mowers adjust the wheel height to ensure an even cut and avoid scalping the lawn as taller grass often results in a healthier lawn. On ride-on mowers ensure the deck and blades are level by adjusting the hexnut on each blade. Refer to your manual for precise instructions.

10. Store the mower properly during the off-season - Clean the mower thoroughly before storage. Store it in a dry, covered area. For fuel-powered mowers, either drain the fuel or use a fuel stabilizer.


By following these lawn mower maintenance tips, your lawnmower will perform better, last longer, and be ready whenever you need it.


Blog Disclaimer:

Cutting Round Corners does not provide safety, investment, business or legal advice. This blog and content has been provided for information purposes only. You should consult your own professional advisors for advice directly relating to your property or before taking action in relation to any of the provided content.

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