How To Sharpen Lawn Mower Blades Without Removing

How To Sharpen Lawn Mower Blades Without Removing (Step-By-Step Guide)

4 minutes

Most of the lawnmower users prefer to sharpen the mower blades by removing the entire blades from the mower. But a question always swirling in people’s minds, “Can the lawn-mower blades be sharpened without removing them?”

Of course, it can. Sounds great! Right? Basically, it’s not a troublesome task sharpening the lawnmower blade if you don’t want to remove the blades from the mower. You can easily do this at home. 

Now, focus on the crucial fact. Have you any idea how to sharpen lawn mower blades without removing? I guess you have no clue in this regard. That’s why you are here. 

I assure you no need to be worried. Because in this article, I will try to give you full guidance on sharpening the blades without separating them from the lawnmower. 

So, without delay, let’s start. 

How To Sharpen Lawn Mower Blades Without Removing

The process to sharpen lawnmower blades without removing

You know without separating the mower blades from the lawnmower, you can sharpen them easily. All you need is some time, tools, and accurate guidelines. 

You know all the repairing tasks required some tools. And sharpening the mower blade is no exception. Let’s have a look at the required tools at a glance. 

Required tools: 

  • A flat file
  • A wooden block
  • Steel wire brush
  • Goggles
  • Hand gloves

Now, it’s time to sharpen the mower blade except separating them from the mower. Follow the step by step process to complete the entire task conveniently. 

Steps to follow: 

Step #1: Preparation For Sharpening Mower Blade

Take your lawnmower into an even surface or in your garage. Remove the spark plug of the mower. This will help you to avoid all sorts of issues related to accidental starting in the time of working. 

Step #2: Seal The Gas Tank

Remove the lid of the gas tank. Place a plastic bag over the mouth of the gas tank and replace the lid in its previous position. 

Step #3: Tilt The Lawn Mower

Now tilt the lawnmower into it’s sideways to access the blade. But make sure that the mower’s fuel tank, as well as the carburetor, is in the upper portion when you tilt the mower. 

Place a wooden block diagonally at the other side of the lawnmower to make the mower more stable. Don’t forget to do that because it’s an inevitable step when you sharpen the blade without separating them from the mower. 

Step #4: Place A Wooden Block Diagonally Under The Mower Blade

Take another piece of a wooden block and place it diagonally under the blades to prevent the movement of the blade. And after placing the wooden block, make sure that the blade won’t move in any direction. 

Step #5: Clean The Blade

Clean the blade with a steel wire brush to remove rust and dirt from the surface of the blade. Clean the beneath of the mower deck also if you see any grass clippings or dirt. 

Step #6: Sharpen The Lawn Mower Blade

Now, it’s time to regain the older strength of the blades. Take a flat-file and place it over the cutting edge of the blade. 

Always start the sharpening process from the center of the blade and try to maintain a proper angle. After properly sharpening one side, switch to another side of the blade to complete the sharpening process. 

Step #7: Lower The Mower and Unseal The Fuel Tank

When you complete the sharpening process, lower the mower. Reopen the mower fuel tank lid, remove the plastic bag and replace the lid again. 

Now your mower is completely ready for cutting the grasses efficiently. 


  • Try to sharp the blade when the mower gas tank is completely vacant. 
  • Inspect the blade after every mowing to know the condition of the blade. 
  • If the blade is completely damaged, then replace the blade with a new one. 
  • If you hear any weird sound from underneath the mower deck, then check the balance of the blade. 


  • Don’t forget to wear safety clothes because you are working with blades.
  • Never sharpen the mower blades from the end of the blades. 
How To Sharpen Lawn Mower Blades Without Removing

Final thoughts

So, can you sharpen the mower blade without separating them from the mower? I guess now you can. 

You know by following the steps mentioned above, you can easily avoid the hassle of removing the blades from the mower for sharpening purposes. 

Hopefully, this article gave you a guideline about how to sharpen lawn mower blades without removing. 

Now it’s your turn. Sharp them and have fun!

Todd L Miles
Lawn Mowers Enthusiast
I started "Landscape and Lawns Care" to provide clients with lawn care with better service, better products and, most importantly, better ethics. My promise to every customer is to give the greenest grass possible while controlling weeds, insects, and diseases! The most important thing is that I strive to always do the right thing for you, your lawn and your wallet!