How to Change Oil in Lawn Mower: A Step-by-Step Guide.

How to Change Oil in Lawn Mower A Step-by-Step Guide
How to Change Oil in Lawn Mower A Step-by-Step Guide

To change the oil in a lawn mower, first, drain the old oil and replace it with fresh oil according to the manufacturer’s instructions. Changing the oil in your lawn mower is an essential maintenance task that keeps your lawn mower engine running smoothly.

Regular oil changes help to prevent early wear and tear on the engine, extend its lifespan, and improve its efficiency. In this article, we’ll show you how to change the oil in your lawn mower step-by-step and offer some useful tips that can help make the process easier and quicker.

By following our guide, you’ll be able to keep your lawn mower engine in top condition and ensure that your lawn always looks its best.

Materials Needed

Changing the oil in your lawn mower regularly is an important maintenance task that can help to keep it running smoothly for longer. Knowing what materials you need before starting the process is essential to ensure that you can get the job done quickly and efficiently.

We’ll take a look at the necessary materials as well as some optional ones that can make the process easier.

Read also: How to Clean Lawn Mower Carburetor

List The Necessary Materials Needed To Change The Oil In A Lawn Mower

To change the oil in a lawn mower, there are a few necessary materials that you’ll need to have on hand before you start. These include:

  • A new oil filter
  • A container to hold the old oil
  • A funnel
  • A clean rag
  • Sae30 or 10w-30 motor oil
  • A drain pan
  • A socket wrench or adjustable wrench
  • A pair of safety glasses

Before starting, it’s always a good idea to check the owner’s manual for your lawn mower for clear instructions regarding the recommended oil type and amount.

Mention The Optional Materials And Tools That Can Make The Process Easier

While the above materials are necessary for changing the oil in your lawn mower, there are a few optional materials and tools that can make the procedure easier. These include:

  • A spark plug wrench
  • A ramp or jack stand to elevate the lawn mower
  • A hand pump to remove old oil from the engine
  • An oil drain valve to make it easier to drain the oil

While these optional materials aren’t precisely necessary, they can make the process of changing the oil in your lawn mower quicker and more straightforward. Before starting, make a decision on which items you need to have to complete the task effectively.

Read also: How to Easily Sharpen Lawn Mower Blades

Preparing To Change The Oil

Changing the oil in your lawn mower is an essential task that is necessary to keep it running smoothly all season long. It’s an easy do-it-yourself job that you can do in under an hour. Before we delve into the step-by-step guide on how to change the oil in lawnmowers, there are a few essential things you need to do to prepare.

Explain How To Safely Prepare The Lawn Mower Before Starting The Oil Changing Process

Here are the steps to follow to safely prepare your lawn mower before starting the oil-changing process:

  • Start by turning off the lawn mower and letting it cool completely. You do not want to change your oil while the engine is hot.
  • Take your lawn mower to a flat surface, preferably on level ground, and check the oil level, making sure it’s not too low. Doing this will keep the oil from making a mess when you drain it and will keep your engine lubricated.
  • Wipe the area around the oil filler plug and the oil drain plug with a clean cloth to remove any dust, dirt, or debris. This will prevent any pollutants from falling into your lawn mower’s engine when you remove either of these plugs.
  • Settle on the right oil and filter for your lawn mower. Refer to your owner’s manual for the correct type and amount of oil to use and the right oil filter for your lawn mower model. Remember to buy the best filter and oil, as using low-quality products may damage your engine.

Describe How To Locate The Oil Filter And Drain Plug On The Lawn Mower

Finding the oil filter and drain plug on your lawn mower is crucial before changing the oil. Follow these steps to locate them:

  • Refer to your owner’s manual to locate the oil filter and drain plug on your lawn mower. Different lawnmowers have different locations, so it’s essential to check the manual.
  • Typically, the oil drain plug is located on the bottom of the engine, while the oil filter is located on the side. You may need to insert a container that can accommodate the oil capable of draining from your lawn mower.
  • Inspect the drain plug and the oil filter to check whether they are undamaged, and if need be, replace them to prevent future oil leakage.
  • Make sure to have the correct wrench on hand. You need a socket or box wrench to remove the oil drain plug and an oil filter wrench to remove the oil filter. Always ensure that you’ve got the right size before starting to avoid excessive frustrations that can erupt during this process.

Following these steps before changing the oil in your lawn mower will give you a clear picture of how to navigate the process with ease. It’s always important to stay safe and avoid any accidents. With these preparations and precautions in mind, you are now ready to change the oil in your lawn mower.

Changing The Oil

One of the essential steps in maintaining a lawn mower is changing the oil. It helps ensure that the engine runs smoothly, reducing wear, and tear. But before you start, remember these essential safety tips to avoid accidents.

Important Safety Tips:

  • Make sure the engine is cool to avoid burns and other injuries.
  • Disconnect the spark plug wire to prevent accidental start-up.
  • Put on gloves and use a container to catch the old oil.

Once you’ve taken the necessary precautions, follow these specific steps to remove the old oil and fill your lawn mower with clean oil:

Removing The Old Oil:

  • Locate the oil drain plug beneath the mower’s deck.
  • Remove the drain plug and place the container underneath to catch the oil.
  • Tilt the mower towards the side where the oil drain plug is to remove residual oil completely.
  • Replace the plug tightly and dispose of the old oil at a recycling facility.

Filling With Clean Oil:

  • Check the user’s manual to determine the type and quantity of oil your mower requires.
  • Remove the oil filler cap and insert a funnel into the opening.
  • Slowly pour the new oil into the funnel, making sure not to overfill.
  • Check the oil level with a dipstick and top it up if necessary.
  • Wipe any spills and reinstall the oil filler cap.

Changing the oil in your lawn mower is an easy task that needs only a few tools and a bit of caution. Pay attention to the safety tips provided and follow the step-by-step guide, and your lawn mower’s engine should remain healthy and last longer.

Finishing Up

Give Tips On How To Properly Dispose Of Used Oil After Finishing The Oil Change Process

Properly disposing of used oil is not only environmentally responsible, but it is also a legal requirement. Here are some tips to help you dispose of used oil safely:

  • Collect the used oil in a clean container with a lid that is specifically designed for oil storage.
  • Do not mix the used oil with other substances like gasoline or antifreeze as it can create an environmental risk.
  • Find your nearest oil recycling center or collection point for proper disposal. Many auto parts centers or service stations offer this service for free.
  • Alternatively, you can hire a professional waste management company to collect and dispose of the used oil safely.
  • Once the oil is collected and disposed of, recycle the oil container or dispose of it properly, following any relevant local regulations.

Provide Additional Maintenance Tips To Help Improve Lawn Mower Performance And Extend Its Lifespan

Besides changing the oil regularly, there are a few other maintenance tips that can help improve your lawn mower’s performance and extend its lifespan:

  • Clean or replace the air filter regularly to ensure proper airflow.
  • Check the spark plug periodically for signs of wear or damage. Replace it if required.
  • Inspect the blades frequently and sharpen or replace them as needed.
  • Keep the fuel tank clean and topped up with fresh gasoline.
  • Store the lawn mower in a dry and clean area, if possible, to protect it from moisture and exposure to the elements.

Following these maintenance tips and changing the oil regularly will help keep your lawn mower running smoothly for years to come.

Frequently Asked Questions On How To Change Oil In Lawn Mower

How Often Should I Change The Oil In My Lawn Mower?

It’s recommended to change the oil every 50 hours of usage or once a year, whichever comes first. Check your user manual for specific recommendations. Old oil can lead to engine damage, so don’t skip this important maintenance task.

What Type Of Oil Should I Use In My Lawn Mower?

Look for a high-quality 10w-30 or 10w-40 oil for the best results. Some manufacturers suggest specific brands, so check your user manual. Avoid using automotive oil or multi-viscosity oil that is not designed for small engines.

Can I Change The Oil Myself Or Should I Take It To A Professional?

Changing the oil in your lawn mower is a simple task that you can do yourself, even if you have limited mechanical experience. All you need is some basic tools and the right oil. If you’re not comfortable doing it yourself, a professional can handle it.

What Tools Do I Need To Change The Oil In My Lawn Mower?

You’ll need a wrench or socket to remove the oil drain plug, a container to catch the old oil, a funnel to add new oil, and a rag to clean up any spills or drips. Some lawn mower models may require a specific size wrench, so check the user manual.

Is There Anything Else I Should Do When Changing The Oil In My Lawn Mower?

It’s a good idea to replace the oil filter if your lawn mower has one. You should also check the air filter and clean or replace it if necessary. Inspect the spark plug and replace it if it’s worn or damaged.

Finally, dispose of the old oil and filter appropriately.


Maintaining your lawn mower is essential to ensuring its longevity and efficiency, and changing the oil is a key component of regular maintenance. As we have seen throughout this blog post, changing the oil in your lawn mower is a relatively simple process that can save you money and improve the performance of your machine.

By following the steps outlined in this guide and maintaining a regular maintenance plan, you can keep your lawn mower running smoothly for years to come. Don’t forget to dispose of the old oil properly and use the recommended oil type for your specific model.

With a little bit of knowledge and some basic tools, anyone can change the oil in their lawn mower and enjoy a well-maintained and healthy lawn!


  • David Mark

    David Mark is an experienced gardening guide with over 20 years of experience. He is passionate about helping people learn about gardening and creating beautiful, healthy gardens. David's love of gardening began at a young age, when he would help his parents in their backyard garden. He quickly learned the basics of gardening, and as he grew older, he began to experiment with different plants and techniques. After graduating from college, David worked as a landscaper for several years. This gave him the opportunity to work on a variety of different gardens, from small backyards to large commercial properties. He also learned how to install irrigation systems, build raised beds, and create patios and walkways. In 2005, David decided to start his own gardening website. He quickly became known for his expertise and friendly personality. He has helped hundreds of people create beautiful gardens, and he is always happy to share his knowledge with others. David is a certified Master Gardener, and he is a member of the American Society of Landscape Architects. He is also a regular contributor to gardening magazines and websites.

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