It is necessary to maintain your lawn mower’s spark plug after frequent use is necessary. As part of the maintenance process, it is imperative that you take out the old spark plug and clean the area around it. 

Or, if it is time to replace the spark plug, you will need to remove the old one first. A spark plug socket is generally used when removing a spark plug.

But what if you do not have one when you need to change or clean a spark plug in an emergency? This is the reason why it is important to know how to remove a lawn mower spark plug without a socket. 

Using an adjustable wrench, nose plier, or box-end wrench is the best method to do this. We will discuss the steps in detail so you can understand how to do it properly.

Methods on How to Remove a Lawn Mower Spark Plug Without a Socket

lawn mower blade

While the lawn mower socket is the best tool for safely removing the spark plug, you can still do it without one. We will discuss three different methods that you can use. 

You will require three main tools to implement these three methods, which are an adjustable wrench, pliers, and a box-end wrench. 

According to the position of the spark plug and the tools you possess. Now let’s discuss each of them in detail.

Method: 01: Using an Adjustable Wrench

This method requires an adjustable wrench and a flathead screwdriver. Adjustable wrenches are available in various sizes, so make sure you select the right size for your spark plug. 

Since the spark plug is located in a tight space, it would be helpful to obtain a slim adjustable wrench to facilitate the process. Once you have the right size wrench and screwdriver, you can begin removing the spark plug without the use of a socket.

Step 01: Park the Lawnmower on a Flat Surface

When you have gathered all of the necessary tools, you should place the lawnmower on a level surface.

This will help to prevent it from tipping over while you are working on it. It will also make it easier to access the spark plug. Make sure that the engine is turned off and cooled before proceeding. 

Otherwise, you could be seriously injured. You should apply the brakes while you are working to prevent the lawnmower from moving.

Step 02: Remove the Lawn Mower’s Spark Plug Cover

Now that you have everything you need and the lawnmower is parked on a flat surface, the next step is to take off the spark plug cover. 

Pull off the spark plug cover cap with your hand to accomplish this. If the cover of the spark plug is too tight to remove, you may need to use a nose plier. But remember to be gentle to avoid scratching or breaking it. 

Wrapping tape around the plier’s head can be a wise idea, as it will help to protect the spark plug cover from scratches. When you remove the cover, you can see the spark plug. 

Make sure to set the spark plug cover aside carefully. Wear gloves when handling the spark plug cover for extra safety.

Step 03: Clean the Area Around the Spark Plug

Before removing the spark plug, it is important to clean the area around it. This will make it easier for you to access the spark plug and ensure that there are no dirt particles on it.

Use a brush or compressed air to remove any trash from the area. You can also use a cotton swab to clean the spark plug’s threads. When using a brush, choose one that is thin and has a long handle.

This will help you to reach the spark plug more easily and efficiently. Wear safety goggles and a mask if you are using compressed air. It will protect you from fine particles or other flying objects.

Step 04: Remove the Spark Plug With an Adjustable Wrench

Now let’s move on to the actual spark plug removal. Place the adjustable wrench around the spark plug and determine the correct size. 

You need to adjust it to fit the spark plug’s hexagonal shape. To adjust the wrench, simply rotate the adjusting nut until it fits snugly over the spark plug. 

As you know, the spark plug is confined to a very tight space, so you must perform this procedure outside of the plug. Once the wrench is adjusted to fit, you need to place the adjustable wrench in a vise grip style. You should ensure that the grip is firm and will not slip off as you turn it. 

Once the wrench is secure, you will need to use a flathead screwdriver as a counterforce. Put the screwdriver in the hanging hole of the wrench and press firmly down on it. 

Now, turn the adjustable wrench counterclockwise to loosen the spark plug. Turn it until you feel the spark plug is loose enough to pull out by hand. When this is done, you can remove the adjustable wrench from the spark plug and safely set it aside.

Step 05: Clean or Replace the Spark Plug

At this point, you can either clean the spark plug or replace it with a new one. If you decide to clean the spark plug, you need to use a wire brush. Gently scrub the spark plug until its surface is clean. 

If you decide to replace the spark plug, make sure you buy a new one that is compatible with your lawnmower engine. Make sure to check the spark plug’s gap before installing it into the engine. The gap should be adjusted according to your lawn mower engine’s specifications.

Step 06: Reinstall the Spark Plug

Once you are done with cleaning or collecting the new spark plug, it is time to reinstall it. To do this, you need to place the spark plug back into its place. Using your hand, rotate the spark plug clockwise until it is freely inserted into the hole. 

When it is set in place, you can use the adjustable wrench to tighten it up. Turn the wrench clockwise until the spark plug is firmly in place. 

After that, you can put the spark plug cover cap back with your hand. Simply press it down until it is firmly in place. Now your spark plug removal procedure is complete without using a socket.

Step 07: Test the Lawn Mower

After completing the spark plug removal and replacement, you need to test the lawnmower. Add fuel to the lawnmower and then attempt to start it. If the engine turns over and starts, then you can be sure that the spark plug is correctly installed. 

If the engine fails to start, check if there is any loose connection. When you find any, tighten it and then restart the engine. Your lawnmower should now be able to start.

Method 02: Using a Nose Plier

Using a Nose Plier

Using a nose plier is another option for removing a spark plug. The steps are relatively simple and similar to the adjustable wrench method. One advantage of using a nose plier is that it requires less effort to use, so you don’t have to struggle with the wrench.

To begin with, you must unplug the spark plug cap. It is similar to the process you used for the adjustable wrench method. 

Now, take the nose plier and place it around the spark plug. Squeeze the handles of the tool together until the plier grips tightly onto the spark plug’s hexagonal shape. 

Using your hand, rotate the nose plier counterclockwise until the spark plug is loosened from the hole. After completing the procedure, you can set aside the nose pliers and use your hands to remove the spark plug. 

The steps for cleaning or replacing the spark plug remain the same. After that, you can reinstall the spark plug similarly and then test your lawnmower like before.

Method 03: Using a Box-End Wrench

You can also use a box-end wrench to remove the spark plug. This method is slightly different from using an adjustable wrench or nose plier. To begin with, you need to disconnect the spark plug wire from the spark plug. 

The box-end wrench’s size depends upon the size of the spark plug. Get a box-end wrench that fits the spark plug head relatively well. 

Due to the non-hexagonal thread on the box-end wrench, it will not be able to grip the spark plug head completely. This is why it is necessary to wrap the spark plug’s head with tape until it fits snugly.

Now place the box-end wrench on the spark plug’s head and then rotate it counterclockwise. As you rotate the wrench, it will start to unscrew the spark plug from its place. 

Once it is fully unscrewed, you can set aside the box-end wrench and remove the spark plug using your hands. The cleaning and replacement process remains the same as before. 

When you re-install the spark plug, be sure to use the box-end wrench in the same way and make sure it is tightly fixed. After that, remove the tape from the spark plug’s head and test your lawnmower.

As you can see, it is possible to remove a spark plug without using a socket. All you need are the right tools and the correct technique. Once you become familiar with the procedure, it will become an easy procedure.

Safety Precautions When Handling a Lawn Mower Spark Plug

When working with a lawnmower spark plug, it is particularly important to take proper safety precautions. After all, spark plugs create sparks that can easily ignite gas and oil, leading to a fire or explosion. To avoid such dangers, be sure to take the following precautions:

Wear Gloves: Always wear gloves when working with the spark plug of a lawnmower. This will protect your hands from any accidental sparks.

Turn Off the Lawn Mower: Be sure to turn off the lawnmower before attempting to disengage the spark plug. This will help to prevent any accidental ignitions.

Close the Fuel Valve: It’s also a good idea to close the gas valve on the lawn mower. Ultimately, you will be able to prevent any fuel leaks that could cause a fire.

Work In a Well-Ventilated Area: When removing the spark plug, ensure that the area is well-ventilated. By doing so, any present fumes will be dispersed and will not ignite.

By following these simple safety precautions, you can avoid any accidents or injuries while removing the lawn mower spark plug. Just be sure to take your time and be careful, and you’ll be finished instantly.

Can You Use an Oversized Socket to Remove the Lawnmower Spark Plug?

You can remove the lawn mower spark plug using a little bit of oversized socket. But you must undertake some additional preparations before you can do so. It is necessary to cut a thick piece of paper in accordance with the socket’s size. 

After that, you need to roll the paper into a tube-like shape and insert it in the socket. The oversized socket will now fit the spark plug perfectly. Make sure the paper is firmly lodged in place, and then you can proceed with your spark plug removal process.

Are Spark Plugs In Lawn Mowers Universal?

Lawn mower spark plugs are not universal. They come in different sizes and shapes, depending on the model of your lawn mower. So you need to double-check the size and shape before buying a new one or replacing an old spark plug. 

You can take out your old spark plug and compare it with other models, or you can check the manual and get the exact size of your spark plug. In this way, you can get a new spark plug that fits in perfectly with your lawn mower.

How Often Should I Replace My Lawn Mower Spark Plug?

spark plug lead

You should generally replace your lawn mower spark plug at least once each season. Depending upon the usage, you may need to replace it more often. 

Regarding the use of your spark plug, it is recommended to change your spark plug every 25 hours of operation. If your spark plug is not performing properly, you should check it. 

Make sure the gap is precisely set according to the manual, and clean it using a wire brush if necessary. If the spark plug is not performing optimally, you should replace it.

Safely Remove and Replace a Lawn Mower Spark Plug in an Emergency

We hope that you have fully understood how to remove a lawn mower spark plug without a socket. You can remove the spark plug using any of the three methods described above. 

But it is always preferable to use the appropriate socket for the job at hand. When absolutely necessary, you may substitute another tool in place of the socket.

If you do not have a socket, purchase the best lawn mower spark plug socket that suits your needs and replace the spark plug safely and easily. Always remember to take your time with the process and be as safe as possible to avoid any accidents.