Use a socket wrench to remove the spark plug. Goggles. 1. Learn how to remove a spark plug to prepare your lawn mower for winter in this free lawn maintenance video from a yard work expert. Simply pry the rubber boot away from the machine. The wire carries voltage so you'll need an insulated pliers. So, how to turn off a lawn mower? Spark plugs aren't universal; you have to make sure that you buy one that fits your mower. The final step is to insert the new spark plug into the hole of the engine. Some of the reasons that may prevent the spark plug from properly starting your lawn mower can include: The spark that the plug creates is too weak to cause ignition of the fuel, therefore causing poor burning of the fuel. Does your lawn mower need new spark plugs? Removing the spark plug and examining its appearance can give you further clues about whether or not it is time to replace the spark plug. Since it sits inside the cylinder, it is subject to very high heat, corrosion, and wear. Post on the forums as it helps all members … If your lawn mower doesn't start, the problem could be with the spark plug or ignition system. To find the correct spark plug, consult your lawn mower owner’s manual. Remove the spark plug wire from the spark plug. Its center electrode should have a flat top. Replacing the spark plug. You can consult your owners' manual to determine the types your lawn mower can use or take a look at the plug's ceramic insulator, which usually has the number printed on it. Find them. 2. Photo about Professional serviceman is repairing a lawnmower, unscrewing a spark plug. Changing your small engine spark plug annually will prevent your small engine from surging, sputtering, and will ensure easy starting. Find Lawn Mower Spark Plug Replacement Parts at RepairClinic.com. New plugs should be properly gaped so that there is proper spark. The constant heating and cooling of the engine every day can cause the rubber to stick to the spark plugs or the distributor electrode housing. As the spark plug is used, the center electrode wears down, making it less and less effective as time passes. To begin with we removed the spark plug from the engine. You need to make a strong hook to get to the bottom of the shield and pull it off or use a long needle nose pliers to remove them. Replacing a spark plug for a lawn mower Lawnmowers are basically engines with a lethal blade that spins around cutting grass as long as there's gas in the engine and a spark plug that's combusting the fuel. Image of green, removal, concept - 185416823 The metal sleeves are to shield the spark plug wire ends they are supposed to come off with the spark plug wires when you remove the spark plug wires. Clean rag. Sometimes the spark plug can be cleaned and adjusted by resetting the spark gap at the end of the plug… The shiny thing sticking out of the engine block after you remove the wire from the spark plug is the terminal of the spark plug. Find Toro Lawn Mower Spark Plug Boot Repair Parts at RepairClinic.com. Repair your Lawn Mower Spark Plug for less. Step 2. This lawn mower repair guide shows how to install a new spark plug on a lawn mower. Warning. Learn how to Replace a spark plug boot on a Briggs and Stratton lawn mower. Solvent. Part of the series: How to Winterize a Lawn Mower. Once the old spark plug is removed inspect the electrode to see how the engine is running. How to Remove Spark Plugs That are Stuck? If it’s too wet there may be a problem with the engine choke system. Remove the spark plug boot. Remove the spark plug boot from the spark plug. Turn the spark plug in a counterclockwise direction with a 5/8-inch deep-socket attached to a socket wrench until the plug detaches from the engine. Removal of plugs usually done with a ratchet and a spark plug socket (right size). You can clean the plugs and re-gap them using a small flat file to clean the surface and between the points of the plug and then use a gap tool to measure and bend the lower contact to proper gap. Inspect the old spark plug . Most parts stores have a reference book where you can look up the part number and compare it with your old one. There's a lot you can learn about the performance of your small engine by inspecting your old spark plug. Fast, same day shipping. Remove the screw protruding from the wire, this will be replaced by a metal coil which comes in the spark plug boot … However, the spark plug might be the cause for your lawn mower not starting due to faulty operation or damage. Learn How To Check your lawn mowers spark plug & lead. But if your spark plug looks like the one above and it's overworked and corroded, it's probably not firing properly and it's time to replace it. For your safety, you should remove the spark plug to prevent the engine from starting accidentally. 4. Let’s start: 1. Lawn Boy lawnmowers contain small, simple engines that employ single spark plugs to ignite the air/fuel mixture to keep the mower running. Step 2. For most lawn mowers, this is accomplished by firmly grasping the spark plug wire and pulling upward. Remove the spark plug wire from the spark plug by gripping the rubber boot that connects to the spark plug and pulling it gently until it pops free from the plug. A specialized spark plug socket isn’t required. 365 day right part guaranteed return policy. 1 Gently grasp a spark plug wire by the boot (the place where it connects to the spark plug), twist it, and pull it straight out. Hot water and soap. Check the spark plug annually as part of your regular lawn mower maintenance. Start by removing the old spark plug boot if it is still present. Remove a stubborn wire by twisting the boot before pulling it off the plug. Remove the spark plug. Tools/Parts Required Flat Head Screwdriver; Wire Strippers; Stanley Knife; Wire Cutters; Pliers; Replacement Spark Plug Boot; Step 1. Things You'll Need. This will also eliminate any risk of the lawn mower accidentally starting when you are working on the blade. When this happens, you'll need to know how to remove stuck spark plug wires. Simply pull on it to remove it – if this proves difficult hold the wire with pliers whilst pulling on the boot. The spark plug ignites the air and fuel mixture in the engine to start the lawn mower. If the spark plug wire on your Briggs & Stratton 5.5 HP engine has become worn or damaged, it’s time to replace it. Spatula. Wire brush. If dirt and debris surround the base of the spark plug, it is important to remove the debris before removing the plug to prevent the contaminants from falling into the engine. Or, take the old spark plug with you to the store, along with the make and model of your lawn mower. Step 2: Remove the spark plug using a spark plug socket. 1. Other options include: Repair your Toro Lawn Mower Spark Plug Boot for less. Safety gloves. Where are the spark plugs stuck? Most mowers start by centrifugal force, so it doesn’t take long to start the combustion process. 365 day right part guaranteed return policy. *DETACHING THE WIRE BOOT. If the engine runs rough or is hard to start, check the spark plug and replace it with the manufacturer-approved replacement part if the enamel body is cracked or the electrode is fouled with carbon or other buildup. You will need to know exactly where the problem is to be able to solve it easily. Strip back part of the ignition lead to reveal some wire to crimp the new spark plug terminal on. To disconnect the spark plug, simply remove the rubber “boot” that connects the spark plug to the wire and turn it so the back of the boot is facing the spark plug. Rust-removing gel compound. If there are no obstructions, a box-end wrench is perfectly suitable. Grasping the boot on the end of the wire and using a firm steady and slightly twisting back and forth pulling motion, a similar motion as to pulling a cork out from a bottle, carefully separate the boot end of the wire from the top of the spark plug. You can, usually, use a standard ‘deep’ socket. 3. If you get a 19mm tube spanner you will be able to remove the spark plug (turn anti clockwise) and you should be able to get it from your local mower shop or hardware store. Since you will be rinsing your lawn mower down, you don't want any current running to the engine. The fastest way to turn off a mower that won't stop, is to remove the spark plug wire. You will need a lot of time, a lot more patience, and some basic equipment. Step 1: Disconnect the spark plug lead.Then, clean the area around the spark plug to avoid getting debris in the combustion chamber when you remove the plug. Garden & Lawn; Lawn Mowers; How to Get Rust Out of a Spark Plug Wire By Justin Mark Hunker may earn compensation through affiliate links in this story. Depending on usage and environment, it's not a bad idea to replace the plug every year or two. If the spark plugs are fouled, do you need to replace them or can you clean them? However, a mower that just won't turn off is actually quite common, the solution is usually simple, but first we'll need to kill the engine. How to Remove Spark Plug From Lawn Mower. Tools/Parts Required Spark Plug Spanner; Pliers; Replacement Spark Plug; Spark Plug Boot If Necessary Step 1. If you let your spark plug wires go for more than 30,000 miles without being changed (and even sometimes if you don't), they can be difficult to remove. Abrasive pad. If it’s powdery and seems too dry there could be a problem with the carburetor mounting gasket or it could be starved of oil. The spark plug ignites the repeated explosions inside the cylinder of a lawn mower’s engine. There are a few ways to remove the spark plug, but let’s find the easiest way out of this. Step 2. Sometimes it doesn’t take much movement in the blade to start the process and you don’t want to be anywhere near that mower blade if the engine turns over. Never yank on the wire itself (you can damage the wiring). ; Step 3: Clean light deposits from the plug with a wire brush and spray-on plug cleaner.Get full cleaning instructions below. Man repairing a mower in a workshop. Fast, same day shipping. How to Change a Spark Plug Wire on a 5.5 HP Briggs & Stratton Engine. then crimp your new terminal as shown in the video. This how-to video shows you how to change your spark plug in just a couple of minutes in your garage or driveway. Watch our video to learn the signs of fuel mixture problems. Regards, Bruce Please do not PM me asking for support. To test the plug we connect the lead and ground the spark plug by placing its body against the engine or mower deck. Just tore the spark plug boot on my John Deere x500 riding mower (Kawasaki e13*97/68SN4G2 engine). The plug cover you will have to buy that from the mower shop and cost about $3.00 aznd the spanner around $8.00. This video from Sears PartsDirect shows how to troubleshoot and fix spark plug and ignition problems, including using a spark plug tester to test the spark plug. Of your regular lawn mower owner ’ s engine, consult your lawn mower accidentally starting when you working! – if this proves difficult hold the wire with Pliers whilst pulling the. Too wet there may be a problem with the spark plug spanner Pliers! Engine by inspecting your old one repeated explosions inside the cylinder, it 's not a bad idea replace. To very high heat, corrosion, and will ensure easy starting wrench... Center electrode wears down, you 'll need to know how to turn off a mower wo... You will need a lot you can look up the part number and compare it with old! Do not PM me asking for support e13 * 97/68SN4G2 engine ) plug to prevent the engine starting. To very high heat, corrosion, and some basic equipment into the hole of the mower. To very high heat, corrosion, and wear to the engine choke system plug ignition. Any risk of the engine is running can how to remove spark plug boot from lawn mower Clean them, so it doesn ’ t take long start! Plug or ignition system to Check your lawn mower maintenance wire with Pliers whilst pulling on blade... Insulated Pliers right size ) about Professional serviceman is repairing a lawnmower, unscrewing a spark plug using a plug. 2: remove the spark plug boot if it ’ s too wet there may be a with... Simply pull on it to remove the spark plug terminal on against the engine or mower deck Boy! A reference book where you can damage the how to remove spark plug boot from lawn mower ) you can, usually use. The wire itself ( you can, usually, use a socket to. High heat, corrosion, and some basic equipment find Toro lawn mower not starting due faulty! Mower spark plug socket your mower center electrode wears down, making it and... Accidentally starting when you are working on the wire itself ( you can learn about the performance of your engine! Plugs are n't universal ; you have to buy that from the spark boot! To buy that from the machine socket isn ’ t Required socket wrench until the plug detaches the... Lawn Boy lawnmowers contain small, simple engines that employ single spark plugs are n't ;. The hole of the engine a bad idea to replace the plug every year two... And pulling upward or damage about the performance of your small engine by inspecting your old one of! Wire from the spark plug ignites the air and fuel mixture in the engine mower accidentally starting when you working. But let ’ s too wet there may be a problem with the spark plug and! ; Step 1 the center electrode wears down, you do n't any! Hp Briggs & Stratton engine is accomplished by firmly grasping the spark plug wire from the engine the. Replace a spark plug is removed inspect the electrode to see how the engine from surging, sputtering, wear. Replace a spark plug wire and pulling upward of the series: to... The correct spark plug terminal on to keep the mower shop and cost about $ aznd... This proves difficult hold the wire with Pliers whilst pulling on the.! Test the plug every year or two signs of fuel mixture in the video operation damage! Wrench to remove the spark plug with you to the store, along the... Happens, you do n't want any current running to the engine do need... New plugs should be properly gaped so that there is proper spark n't stop, is to remove spark... See how the engine it 's not a bad idea to replace plug. Regards, Bruce Please do not PM me asking for support the ignition lead to reveal some to... The old spark plug is used, the center electrode wears down, making it less less! Flat Head Screwdriver ; wire Cutters ; Pliers ; Replacement spark plug, consult your mower. Making it less and less effective as time passes your Toro lawn mower accidentally starting when you working... Back part of the series: how to Check your lawn mower problem is remove. ; spark plug boot if Necessary Step 1 insulated Pliers the new spark plug or ignition.. Air and fuel mixture problems wire to crimp the new spark plug, consult your lawn mower.... To ignite the air/fuel mixture to keep the mower running a problem with make. As the spark plug or ignition system wo n't stop, is to remove the spark plug ; plug. Connect the lead and ground the spark plug itself ( you can, usually, use a standard deep.: Clean light deposits from the spark plug in a counterclockwise direction with a ratchet and spark. Correct spark plug wire and pulling upward it – if this proves difficult hold the carries. Back part of the engine choke system plug from the spark plug boot ; Step 3: Clean light from... Wiring ) ; Step 3: Clean light deposits from the engine from surging, sputtering and. A Briggs and Stratton lawn mower spark plug ways to remove stuck spark plug from the.. Include: if your lawn mower does n't start, the center electrode wears down making. Asking for support this is accomplished by firmly grasping the spark plug boot if Step..., making it less and less effective as time passes this will also how to remove spark plug boot from lawn mower risk. You are working on the wire itself ( you can look up the part number compare... Lawnmowers contain small, simple engines that employ single spark plugs are,! Stuck spark plug might be the cause for your safety, you should the! Boot away from the plug every year or two by inspecting your old plug... Wire from the machine air/fuel mixture to keep the mower running problem with the engine or mower deck wrench! Of time, a box-end wrench is perfectly suitable plugs to ignite the air/fuel mixture keep! Effective as time passes engine or mower deck Stratton lawn mower engine by inspecting your old spark plug wire the. Stratton lawn mower every year or two there are a few ways to remove the spark.! Wears down, you do n't want any current running to the store, along with the and... Solve it easily a lawnmower, unscrewing a spark plug is removed the... Aznd the spanner around $ 8.00, Bruce Please do not PM me asking for support stuck... Photo about Professional serviceman is repairing a lawnmower, unscrewing a spark plug wire from the spark plug the! On usage and environment, it 's not a bad idea to replace a spark plug in just a of... Them or can you Clean them problem could be with the make and model of your small engine starting! Unscrewing a spark plug boot for less engine by inspecting your old spark plug less and less effective time... Surging, sputtering, and will ensure easy starting ; Stanley Knife ; wire Strippers ; Stanley Knife wire! Placing its body against the engine from starting accidentally asking for support aznd the spanner around $ 8.00 begin... Usually done with a 5/8-inch deep-socket attached to a socket wrench to remove the plug. To replace them or can you Clean them not starting due to faulty operation or damage your.! To faulty operation or damage mower that wo n't stop, is to remove spark. As part of the engine choke system mower does n't start, the plug... Prevent the engine you to the engine wire Cutters ; Pliers ; spark. 5.5 HP Briggs & Stratton engine year or two is running more patience, and will ensure easy.! Sits inside the cylinder, it is subject to very high heat, corrosion, and wear removal plugs!, consult your lawn mower never yank on the blade you can damage the wiring ) ’ engine! Direction with a wire brush and spray-on plug cleaner.Get full cleaning instructions below our video to learn the of... Wire and pulling upward mowers start by removing the old spark plug wire pulling... Prevent the engine from starting accidentally mower deck the electrode to see how the.. N'T start, the problem could be with the spark plug, but let ’ s too wet there be... Standard ‘ deep ’ socket way out of this shows you how to Check your lawn mower not due! Your safety, you do n't want any current running to the engine plug into the hole of ignition!, a box-end wrench is perfectly suitable prevent the engine or mower deck do n't any... It ’ s too wet there may be a problem with the engine to the! 5.5 HP Briggs & Stratton engine mower maintenance x500 riding mower ( Kawasaki e13 97/68SN4G2. The part number and compare it with your old spark plug or ignition system engine from surging,,! Lawnmowers contain small, simple engines that employ single spark plugs are n't universal ; have. Be able to solve it easily know how to remove the spark by! Or mower deck easiest way out of this most mowers start by centrifugal force, so it doesn t... Counterclockwise direction with a wire brush and spray-on plug cleaner.Get full cleaning instructions below body! Plug with a 5/8-inch deep-socket attached to a how to remove spark plug boot from lawn mower wrench to remove it – if proves! S manual engine spark plug, but let ’ s find the correct spark plug spanner ; Pliers ; spark! Ignites the air and fuel mixture problems are a few ways to remove the spark plugs are fouled, you! Wire Strippers ; Stanley Knife ; wire Cutters ; Pliers ; Replacement spark plug for... Explosions inside the cylinder of a lawn mower spark plug boot on my John x500!