Do New Lawn Mower Blades Need Sharpening?

Published date:

2022-09-28
Score: 4.37/5 (23 votes)

Are you searching for an answer to the question: Do new lawn mower blades need sharpening? On this page, we've collected the most accurate and complete information to ensure that you have all of the answers you need. So keep reading!

No, it's not necessary to sharpen brand new lawn mower blades. You can simply remove your new blade from its packaging, remove the old blade carefully from your mower, and then attach the new one.

You may wonder, why are new mower blades dull? But it really does depend on its condition, a mower blade that cuts a small mature yard will last longer. New yards usually have rocks, stones, and debris that impacts the blade causing it to become dull and wear out quickly.

Similarly one may ask, does a lawn mower blade need to be sharp? Mower blades should be aggressively sharp, but not as sharp as a razor's edge. You should be able to touch the blade with your hand without getting cut. Contrary to popular belief, a lawn mower blade with a razor sharp edge will not cut grass better.

Besides above, how often should a lawn mower blade be sharpened? 25 hoursIn general, sharpen twice per season or after 25 hours of use to keep your blades in good shape. Also, sharpen the blades after hitting rocks. Stone can easily dent or nick the blades. The lawn itself can also hint when you need to sharpen your mower blades.

Likewise, how often should mower blades be replaced? annuallyFor the average homeowner, a good rule of thumb is to replace your mower blades annually. Sharpening mower blades on a regular basis will prolong the life of your blades. Be sure to take protective measures if you sharpen your blades at home - wear protective gear and disconnect the spark plugs.


Can you sharpen a mower blade too much?

Don't Sharpen Your Mower Blades Too Often

It can make them dull faster which makes for poor-quality cuts that could damage your lawn. Sharpening blades too often can also cause excess wear on the engine since mower engines need to work harder to pull duller blades through the grass.

Do you sharpen both sides of a lawn mower blade?

Once you have done one side of the blade, rotate it and do the other side to the same degree. Since you won't be taking the blade off of the mower, you can't be sure that the blade is balanced so take care to ensure both sides are evenly sharpened.

What happens if you put lawn mower blades on upside down?

Mower blades feature a cutting edge at both ends so, it is very common for people to install them upside down. If you install them upside down, you can do some major damage to your grass and maybe even your mower. You'll be “cutting” with the dull side of the blade which will rip the grass vs. cut it.

Do Honda lawn mower blades come sharpened?

New Honda lawn mower blades do not need to be sharpened before you install them on your mower. This is because the blade manufacturer sharpens them during the manufacturing process and then coats the blade in a paint. The paint will wear off the blade edge when you begin cutting with it.

How often should you change lawn mower blades?

annuallyFor the average homeowner, a good rule of thumb is to replace your mower blades annually. Sharpening mower blades on a regular basis will prolong the life of your blades. Be sure to take protective measures if you sharpen your blades at home - wear protective gear and disconnect the spark plugs.


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