How often should you sharpen mower blades?

On average, a mower blade should be sharpened after every 20 to 25 hours of use time. This depends on how often and how long you mow.

How many times can I sharpen my lawn mower blades?

For most rotary (motorized) mowers, I recommend sharpening the blades every 20-25 hours. For a lawn that takes about 45 minutes to mow, that means you should sharpen your mower blades every 26-33 mowing sessions.

How long do lawn mower blades last?

Well as indicated earlier, most mower blades will last about 20-25 hours until they should be sharpened. But in terms of overall lifetime, most blades last at least 100-200 hours total, and some higher quality ones can last even longer, as much as 400 hours.

Can you sharpen a mower blade too much?

If you aren’t careful, you can accidentally damage your lawnmower blade while sharpening it on a grinder. Placing too much pressure on the blade can alter the angle of the cutting edge or cause the grinder to cut deeper into the blade than you intended.

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How much does it cost to sharpen mower blades?

If you want to choose a professional, lawn mower blade sharpening can cost about $5 to $15 per blade. If you remove the blade and bring it to them, the costs can be around $5 less. According to Sharpeningshack.net, lawn mower sharpening services usually cost around $15 per blade.

Is it better to sharpen or replace mower blade?

To avoid an ugly, unhealthy lawn, you should sharpen your blades regularly and replace them as needed. When you sharpen them really depends on your individual usage. Most manufacturers give recommendations in their product manuals, specifying how thick the cutting edge should be before replacing.

Can you sharpen blades while still on mower?

To some homeowners, however, that may seem unnecessary. After all, even if the blade is a little dull, they’ll still cut grass, right? Well, yes, but that’s not the point. … There are few different ways to sharpen lawnmower blades, including using a bench grinder, hand file, rotary tool, or angle grinder.

How do I know if my mower blade is dull?

Look for these signs that you may need to sharpen the mower blades:

  1. Dents or nicks in the mower blades.
  2. Uneven grass height after cutting.
  3. Grass blades look torn instead of sliced.
  4. Brown, frayed grass edges.

How do I know if I need a new mower blade?

The Blade is Dented or Bent



Sometimes the easiest way to tell if there’s a mower blade issue is looking at the blade itself. Blades can get damaged over time. If there are any sizable dents or if the blade is bent, it needs to be sharpened or completely replaced.

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Is it OK to tip a lawn mower on its side?

According to MarionMowers, It says: If your lawnmower is four stroke (which it is), tip the mower so that the spark plug is pointing skyward, never tip it on its side with the spark plug to the ground.

Do brand new mower blades need to be sharpened?

As mentioned above, brand new lawn mower blades do not need to be sharpened because they are always sharpened during manufacturing. However, lawn mower blades do generally need to be sharpened at the beginning of each new season. … Be careful not to set the cutting deck of your mower too low.

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