Why does my mower leave clumps of grass?

1 – It's too wet
Heavy mowers will start to sink into the grass and whip up moisture as they cut your grass, which causes grass to clump in matted wet wads that clog the deck of your mower and its catcher.
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How do I stop grass from clumping when I mow?

As a rule, don't mow the lawn when the grass is wet and never remove more than one-third of the leaf blade when mowing. Mow the yard only when the grass is dry. Wet grass is much more likely to form clumps than dry grass. Avoid mowing after rainstorms or early in the morning when dew remains on the ground.
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How do you fix clumping grass?

  1. To eliminate clumps in the future, mow only when the grass is dry, ensure your mower blade is sharp and adjust your mower height so you are cutting off no more than one-third the height of the grass at any one time.
  2. Add a mulching attachment that produces finer clippings to your mower to reduce clumps.
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Why does grass buildup under mower deck?

Grass clippings building up more than usual under your mower deck may be caused by moisture in the grass when you cut it. Wetness causes the grass to clump, making it more likely to stick to the underside of the deck.
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What do I spray under my mower deck?

TITESEAL Mower Deck Spray and Protectant helps prevent grass, dirt, and moisture from adhering to the underside of mower decks. This helps prevent rust and corrosion, while making cleanup easier. Also great for making chutes and moving parts of snow blowers non-stick.
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Grass Clumps in Lawn



Should you wash your lawn mower?

Hosing off your mower is OK, but avoid spraying water on the engine and never use a pressure washer to clean your mower. Cleaning after every use is important, decaying grass will eat all your metal components. A thorough clean down at the end of the season is critical to your mower's health.
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How often should you clean your mower deck?

How Often Should You Clean the Mower Deck? Most manufactures recommend twice a year. Some suggest spring, fall, and two times during the season. I clean my mower deck every other mowing.
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Is it OK to tip a lawn mower on its side?

Well, when tipping a mower over, the main danger is that fuel and oil can leak, but with this method, there's virtually no chance of this. The oil will pool on the backside of the engine, nowhere near your carburetor, muffler, breather tube, valves, spark plug or piston.
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Which way do you tilt a lawnmower?

The correct way to tilt a mower is with the handlebars to the ground or turn the mower on its side, but always with the carburetor side facing upwards.
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How often should you change a lawn mower blade?

For 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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How often should I change the oil in my lawn mower?

For existing push mowers, like shown in the video below, its recommended to change and replace the oil at least once a season or for every 50 hours of run time. For existing riding mowers, it is recommended to change and replace the oil at least once a season, or for every 100 hours of run time.
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How do you keep grass from sticking to lawn mower wheels?

How to Keep Grass From Sticking to Lawnmower Wheels
  1. Use a wire brush to dislodge the existing grass on the wheels and underside of the lawn mower. ...
  2. Spray vegetable oil on the wheels, or pour the oil onto an old rag and then wipe down the wheels. ...
  3. Mow the grass, and then add another coating of oil when you're done.
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How can I tell if my lawn mower blade needs sharpening?

How to Tell If You Need to Sharpen Your Mower Blade
  • Dents or nicks in the mower blades.
  • Uneven grass height after cutting.
  • Grass blades look torn instead of sliced.
  • Brown, frayed grass edges.
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