Among the critical parts that ensure your mower is working smoothly and especially during the hot summer days is the spark plug. The spark plug is what ensures that there’s a reliable and consistent connection between the ignition system and the engine. If it’s not working as it should, your mower will have a hard time starting or may not start at all.
Now, depending on the model of your lawn mower, the spark plug may be located in different places. In this guide, we’ll show you where to find it on most common mower models so that you can easily replace it when needed.
When do you need to know where a spark in a lawn mower is located:
As we already mentioned, the spark plug is a crucial part of the mower’s ignition system. It produces the spark that ignites the fuel and air mixture in the engine, thus keeping it running.
However, over time, the spark plug may become worn out or damaged, which will affect its performance. This is why it’s important to know where it’s located on your mower so that you can replace it when necessary.
In addition, even if the spark plug is in good condition, you may still need to clean or adjust it from time to time. For this reason, it’s also helpful to know where it’s located and how to access it.
Where is the spark plug on a lawn mower located?
The location of the spark plug on a lawn mower may vary depending on the model. However, it’s usually located either near the engine or under the flywheel.
To access it, you’ll need to remove the cowling or engine cover. On some models, you may also need to remove the air filter housing. Once you have access to the spark plug, you can clean it or adjust it as needed.
If it’s time to replace the spark plug, make sure to get the right one for your mower model. You can usually find this information in the owner’s manual.
How the spark plugs look like…what to look for:
The spark plug cable will be tiny, around a quarter of an inch thick, and often black. It will screw into the side of the spark plug.
The spark plug hood is a large, plastic piece that comes with the cable and forms a right angle when joined. The spark plug hood is what covers the ceramic body of the spark plug and is what you remove to reveal the white ceramic body with its metal terminal at the end.
Where is the spark plug in a push mower?
On a push mower, the spark plug is usually located near the bottom of the engine, on the side. It’s often covered by a plastic or metal cover. To access it, you’ll need to remove this cover. The hood is what covers the ceramic body of the spark plug and is what you remove to reveal the white ceramic body with its metal terminal at the end.
The reason spark plugs are connected/attached to the engine is that they are used to create a spark. The spark is then used to ignite the fuel and air mixture in the engine, which keeps the engine running.
Where is the spark plug in a riding lawn mower?
On a riding lawn mower, the spark plug is usually located under the flywheel. To access it, you’ll need to remove the cowling or engine cover. Once you have access to the spark plug, you can clean it or adjust it as needed.
Some models have the plugs in the rear of the engine, while others have them in the front. It really just depends on the model of riding lawn mower you have.
Where is the spark plug on craftsman lawn mower?
The location of the spark plug on a Craftsman lawn mower typically depends on the model.
For push mowers, the engine is usually oriented so that spark plugs are located near or slightly below the middle of front side. If you have a Craftsman lawn tractor, look for cables leading to Spark Plugson right! And finally, if your Craftsmans Zero Turn Mower – check both rear sides towards engines center. I found this video helpful when trying to locate my spark plug on a Craftsman lawn mower.
Where is the spark plug on Toro lawn mower?
Generally, Toro models place their spark plug on the side of the engine, which is especially true for their lawn tractors as shown below. You’ll find them on the exposed front of the engine as shown in the image below;
To access the engine and find look for the spark plug on a Toro lawn tractor: first, open the hood of mower. Second, after doing this locate search for spark plugs situated on right side of engine within or near the Spark Plug Hood and Cable.
To remove the plug in a Toro mower, unscrew counterclockwise the Hex Nut holding the spark plug in place. After you’ve done this, take out the spark plug by unscrewing it from the engine.
For more information and a helpful video, see this link.
If your Toro mower model is a push mower, most likely it will have the engine situated so that the plugs are located on their right side and slightly below the middle.
Where is the spark plug on Husqvarna Lawn Mower?
For Husqvarna lawn mowers, the spark plug is typically located on the side of the engine, near the bottom. It’s often covered by a plastic or metal cover. To access it, you’ll need to remove this cover. Once you have access to the spark plug, you can clean it or adjust it as needed.
This video has details on how to remove and replace the spark plug in your Husqvarna lawn mower.
How to change the spark plug on a lawn mower?
If your lawn mower is due for a tune-up, or if it’s been running rough, one of the first things you should do is change the spark plug. It’s
FAQs
How do I know if my spark plug needs to be replaced?
There are a few signs that may indicate that your spark plug needs to be replaced, such as:
-The engine is hard to start
-The engine misfiring
-The engine is running rough
-The engine is losing power
If you notice any of these signs, it’s a good idea to check the spark plug and see if it needs to be replaced.
How often should I replace my spark plug?
whichever model you have, it’s generally a good idea to replace your spark plug every season or every 20-25 hours of use, whichever comes first. This is considerably short considering car spark plugs can last for 20,000 to 40,000 miles.
How do I clean my spark plug?
If your spark plug is dirty or fouled, you can clean it with a wire brush or a commercially available spark plug cleaner.
How to change a lawn mower spark plug:
Once you know where the spark plug is located on your mower, changing it is relatively simple. Here’s what you need to do:
1. Disconnect the spark plug wire from the spark plug. If your mower has a plastic cover over the spark plug, remove this as well.
2. Use a spark plug wrench to loosen and remove the old spark plug.
3. Inspect the old spark plug and compare it to a new one to make sure they are the same size and type.
4. Install the new spark plug by screwing it in by hand until it’s snug. Do not overtighten!
5. Reconnect the spark plug wire and replace any plastic covers.
6. Start the mower and check for any leaks.
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