![]() Of course, this depends on how often you use the lawn mower and how well you maintain it. Then reattach your ignition lead wire and give her ‘er a pull! How Long Does a Lawn Mower Spark Plug LastĪssuming you are referring to a traditional lawn mower with a gas engine, the spark plug should last for several years. Once you’ve removed old spark plug, simply screw in a new one by hand until it’s snug (but don’t over-tighten). You may need to use a little force, but be careful not to damage the threads on either side of the plug hole. Simply grip the end of the spark plug with the pliers and twist it counterclockwise until it comes out. Finally, turn the ratchet counterclockwise until the spark plug comes loose.Īnother option is to use a pair of pliers. Then, insert the extension into the ratchet’s drive head and fit it over the top of the spark plug. First, make sure that the ratchet is in the correct position. ![]() One of the best ways to remove a lawn mower spark plug without a socket is by using a ratchet and an extension. However, with a little patience and the right tools, you should be able to do it without too much trouble. This can be a little tricky, since spark plugs are usually set quite snugly in their sockets. But first, you’ll need to remove the old one. If your lawn mower spark plug is fouled or damaged, you’ll need to replace it. How to Remove a Lawn Mower Spark Plug Without a Socket If you find yourself constantly having to restart the engine, it’s time to check the spark plug.įinally, if you’ve noticed that your lawn mower seems to be using more fuel than usual, a bad spark plugs could be the cause. You may notice that the engine sounds different than usual, or that it’s struggling to keep running.Īnother symptom of a bad spark plug is frequent stalling, especially when under load (like when you’re trying to mow your lawn). ![]() If your lawn mower starts but then runs very roughly, it’s also likely due to a bad spark plug. If you turn the key and nothing happens, or if the engine only sputters and doesn’t catch, chances are good that the spark plug is to blame. This is usually the first sign that something is wrong with the spark plug. Here are some symptoms that can help you diagnose the problem: If your lawn mower is having trouble starting, or if it’s running rough once it’s up and running, one possible culprit is a bad spark plug. This will help prevent corrosion and ensure proper electrical contact between the plug and ignition system. Once you’ve brushed away all of the debris, spray WD-40 onto a clean rag and wipe down both sides of the electrode until they’re shiny and free of residue. Be sure to brush away any carbon buildup on the side of the electrode that faces towards the engine block as well.Ĥ. Next, use a wire brush to remove any debris or deposits from the electrode (the part of the plug that protrudes into the combustion chamber). If there is any damage, replace the plug with a new one before proceeding.ģ. Once the plug is removed, inspect it for any visible damage such as cracks or chips. Make sure not to drop the plug, as this can damage it.Ģ. Remove the spark plug from the engine using a ratchet or socket wrench. Here’s how to clean your spark plugs with WD-40:ġ. One of the most common ways to clean spark plugs is with WD-40. That’s why it’s important to keep your spark plugs clean and in good condition.įortunately, cleaning spark plugs is a relatively easy task that you can do at home with just a few tools and supplies. In some cases, it can even lead to engine damage. If your spark plugs are fouled or damaged, it can cause engine misfires and poor performance.
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