How often should lawnmower oil be changed?

by Raymond Archambault

Most people know how to check the oil level in their lawnmower, but how frequently should you replace the oil? What are the best practices?

In the earlier days, you had to put the mower up on blocks and pull a plug. Nowadays, you don’t need to do that. This is a lot easier now.

Additionally, how do you change the oil in a lawnmower? To begin with, no machine can function properly without engine oil. In addition to decreasing friction and cooling the engine, oil also protects the engine from rust and corrosion and keeps the engine’s surfaces clean.

Be aware that the oil in a mower gets dirty as it is used. Dirt and particles might cause engine wear if you don’t have a gas filter on your equipment. So, after some period of operation, you’ll need to plan a maintenance and care procedure to replace your mower engine’s oil.

When it comes to lawnmower oil, here are some commonly asked questions to get you started.

When Should Lawnmower Oil Be Changed?

Is it time to change the oil in your lawnmower? There are several ways to tell if it’s time to change the oil, which is great. A dipstick can be used to check the oil level, for example.

When you have an hour meter on your lawnmower, the whole process is a piece of cake. It will always let you know when it’s time to swap out the old oil. After 30 to 50 hours of operation, this is usually the case.

It’s imperative that you confirm the time in the user handbook. Mower oil should be changed annually if you are one of the many lawnmowers that don’t use their equipment long enough.

Maintaining your machine properly will guarantee that you get the most out of it over time. And the worst thing of all is that most homeowners fail to do an oil change as part of their regular lawnmower maintenance regimens.

However, it is advisable to change the oil filters and engine oil at least twice a year. The alternative is to do it after 30 to 50 hours of work. Don’t worry if you want to know very much about mower oil changes. This guide will go over all you need to know about lawnmower maintenance, including when the ideal time is to change your mower oil.

What’s the Best time for Lawnmower Oil Changes?

To begin with, the mower oil has a different lifespan than underground oil. The oil’s lifetime is shortened when it is often cooled and heated by the engine. In addition to what we’ve already discussed, it’s recommended that you replace the mower oil after five hours of use while the equipment is brand new.

Do you want to get the most out of your lawnmower each time you use it? After each usage, make sure to check the oil level. The frequency with which you change your oil might be affected by tough conditions such as wet grass, rugged terrain, dust, and high temperatures. However, there are a few telltale signs that it’s time to have your lawnmower’s oil changed.

Using a dipstick, check the amount of oil left in your lawnmower after running it for a few minutes. Next, clean it with white paper and, if there are any particles, or it appears unclean, consider getting an oil change to restore optimal functioning.

Most riding tractors and lawnmowers contain an hour meter. Following the hour meter’s timetable for lawnmower oil changes is all you need to do to keep up with this task.

Some walk-behind lawnmowers and push mowers lack hour meters. In this situation, how would you know the oil level? It’s possible to get by with a rough estimate. To put this into perspective, if you use your mower for four hours a week, it will take you around three months to cover 50 mowing hours. You now know when to replace the oil on your lawnmower.

Every year, following the end of the mowing season, it’s recommended that you do regular maintenance on your mower tractor. Remember to change the oil in your mower while performing maintenance, sharpening the blades, or cleaning your equipment. That way, you won’t have to worry about anything while you wait for the next cutting season.

Required Gear for Lawnmower Oil Change

  • Disposable gloves
  • Funnel
  • Spark plug wrench
  • An empty container
  • Pieces of 2-inch wood to raise your lawnmower off the ground
  • a socket wrench or a spanner
  • A few sheets of plastic to protect the floor from oil stains.
  • A rag to clean up any oil spills

Steps for Changing Your Mower Oil

Mowing machines, despite their tiny engines, nevertheless require oil to function properly. For best mower performance, you’ll also need to alter the oil every 30 to 50 hours or so, depending on how often you use the machine.

The optimum time to replace the mower oil depends on a variety of things, so keep that in mind. If you have the required materials, including a drain container, rags, a hand tool and a funnel, you can do it all on your own. When it comes to saving time and preventing spills, use an oil extractor.

To maintain the safety of your mowing equipment, follow these guidelines for changing the oil.

  1. The engine should be run for 10 to 15 minutes, then shut down, in order to dislodge any debris.
  2. Remove the spark plug by disconnecting it.
  3. Lift your lawnmower so that you can reach the drain plug. As a result, spills are less likely. If you’re utilizing oil extractors, you may skip this step. If this is the case, you’ll need to go on to step 6.
  4. Whenever you’re not utilizing an oil extractor, make sure to clean the area surrounding the mower drain plug. The plug under the lawnmower deck, frequently clogged with grass clippings, can be found while using push mowers. Prevent wear and contamination by spotless the area.
  5. Take off the drain plug so that you may flush out any remaining sludge from the engine. After the old oil has been drained, spotless and reattach the plug.
  6. Replace the old oil with fresh and new oil.


When using your lawnmower, many parts will come into contact with one another. You must lubricate these parts with new oil in order to get the best out of them.

Mower oil should be changed after the first 5 hours of use and every 25 to 50 hours of use for new machines. As far as lawnmower oil changes are concerned, use the given information to keep your mower in prime condition.


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