To clean the deck of a lawn mower, follow these steps: Empty the gas tank (or run the mower until the tank is empty), then disconnect the spark plug wire. This will also eliminate any risk of the lawn mower accidentally starting when you are working on the blade. Make sure to remove the spark plug first to prevent accidental starting. Spark - Clean or replace the spark plug/clean rotor contacts. They will tell you to blow it out with your blower after each mow. This guide is mainly focused on removing and changing your spark plug in a lawnmower, but you can also apply the basic steps to all 4-cycle gas powered machines like the chipper shredder or the pressure washer. Can a spark plug have bad spark? Make sure you end up with a spark plug that is clean from the threads to the contact point. Thanks! They help power millions of small engines, including mowers, tractors, snow blowers, chainsaws and leaf blowers. Before changing the oil in the lawn mower, disconnect the spark plug. The spark plug may be old, or the gas tank may be empty. All it entails is ‘Heating’. Choose a brand … You can check the spark plug for spark by removing it, connecting the plug wire, grounding it off the engine and turning over the engine. Now gently lay the mower on its side, fuel cap facing up. Reattach the spark plug wire onto the top of the spark plug, the start the mower to check its operation. For safety, first, we need to disconnect the spark plug before removing the blades. And while a clean spark plug allows for easy starting and effective engine operation, a spark plug that’s old, dirty or fouled won’t be able to pass the needed spark for the combustion process within the engine’s cylinder. Even a human-powered mower can inflict serious cuts. If it is petrol driven it’s always a good idea to disconnect the spark plug. Note that single cylinder lawn mower engines have one spark plug, while twin-cylinder riding mower engines have two spark plugs. E3 13/16 in. Shared via Repair Clinic. You also need to check your mower's spark plug. Take a brush and clean it. John Cunningham . First, hold the spark plug with pliers to avoid unnecessary burns. Having a bad spark plug or fouled spark plug can also cause all sorts of problems in your Car, Truck, Lawn Mower, Chainsaw, or any other gas-powered engine. Usage of a Spark Plug-In Lawn Mowers. If you have time cleaning your mower deck after every use will prevent build-up over the long run, but we generally think that if you are cleaning your mower 2 or 3 times throughout the mowing season, you’ll keep it in good shape. Method 3 of 4: Using a Blow Torch 1. To fix this problem and make the mower start, remove the spark plug, clean off any debris, and return it. Thanks! The problem could be that the spark plug is loose, dirty or faulty in some way. Clean the mower. Briggs & Stratton Lawn Mowers; Honda, Kawasaki & Kohler Mowers; Contact Us . Before you start any maintenance work on your lawn mower, disconnect the spark plug and make sure the throttle is in the off position. Once removed, the spark plugs condition can tell you if the engine is operating properly and if the spark plug is working. A lawn mower is like a car. Step 2. The starter might not be working correctly. Always thoroughly empty the grass box or bag. The mower is now safe to work on. Spray the dirty lawn mower spark plug with brake cleaner and let it soak for about ten minutes. Now tilt the mower at its sideways to access the beneath of the mower. Advertisement. If you take a little time to do a few simple maintenance tasks prior to storing it, it’ll be ready for action once spring arrives. For projects large and small, Champion ® lawn and garden spark plugs are the right plugs for the job. Start up the mower again to make sure they fire. Tools/Parts Required Wire Brush; Spark Plug Spanner; Step 1. Learn how to clean & inspect your engines spark plugs. If a spark is present, the ignition coil is working properly. A clean spark plug in good condition will ensure that your gas-powered mower has less trouble starting, even when it's starting cold. And unless you have a ... Thankfully, there’s a way to clean a lawn mower carburetor without having to remove it at all. The spark plug is what makes it possible for your lawnmower’s engine to ignite the gasoline during the agitation process. To clean the mower deck, remove the spark plug and place a plastic bag on the fuel valve of the mower. Wipe the plug with your clean cloth or rag to remove the residue. It will help you to stop the leakage of the fuel. Getting to the carburetor . Rinsing Off. If the lawn mower is really hard to pull to start it then you need to clean all of the grass out of the bottom of the lawn mower. People can clean their gas lawn mowers thoroughly by turning them onto their sides once they have been turned off and rinsing them out with garden hoses, which should help to dislodge some of the trapped grasses, rock, or dirt debris. Previous Step Next Step. Certified OHV Lawn Mower Engine Spark Plug can be used with Certified 150cc/174cc Lawn Mowers (CT #060-0750, 060-0751, 060-0753 and 399-4888) Helps to provide consistent starts and; Add To Package Add To Cart Quick View. Spark Plug for 4-Cycle Engines (138) Model# E3.10 $ 5 88. Next use a leaf blower to blast away any old dirt and major debris. Since you will be rinsing your lawn mower down, you don't want any current running to the engine. Champion Eco-Clean 13/16 in. A lawn mower not starting doesn’t necessarily mean the fuel is not reaching the engine or spark plug. Your lawn mower takes a lot of abuse during the mowing season, and a little TLC in the off-season will nip potential issues and emergency repairs – or worse, having to replace it all together. The manufacturer will always tell you not to wash your mower as it increases the chances of rusty parts. Scrub off the rest of the soil, using a brush, soap, and hot water. This method is completely different from the other methods as it does not require any Petrol or WD-40. Lawn mowers will tolerate a hose-down at the end of a mowing session. 3. Honda 3-1/2 in. Stand the mower up on its side. It is the ideal spark plug for lawn mowers and similar small engines. Grip the spark with pliers on the end the wire connects to. Your lawn mower maintenance isn't complete after you've changed the oil and replaced the air filters. For most lawn mowers, this is accomplished by firmly grasping the spark plug wire and pulling upward. A clean mower deck gives the blade proper room to spin. The spark plug gauge will help you set the right gap on the new plugs, as outlined in your lawn mower’s operator manual. Bosch WR11E0 Spark Plug. Take a garden hose and spray the deck at full blast. Advertisement. An oily spark plug on a lawn mower can be caused by a number of issues, ranging from minor mechanical problems to serious engine damage. Remove the Spark plug wire, and then clean around the spark plug with a wire brush. Replacement Spark Plug for Non-Mower Equipment (5) Model# 08983-999-010 $ 4 38. Sharpening the Mower Blades. Once that first spark plug is clean, reinstall it and reconnect the spark plug wire that goes to it. Remove the drain plug underneath the mower and allow it to drain into an oil-safe container. Bosch calls its spark plug a “super” product and we agree. Get a new spark plug. Watch the spark tester or spark plug, looking for a spark between the electrodes of the tester or spark plug. 1. Push this button 3-4 times to force gasoline into the lines. CJ8 Spark Plug for 2-Cycle and 4-Cycle Engines (11) Model# 843ECO $ 4 99. Only carry out maintenance on the mower when the engine is cold. Once the old spark plug is out, you can take it into your local hardware store or lawn mower … Remove the spark plug wire from the spark plug. Related Questions. Pull the throttle lever, located on the handle of the lawnmower or the body of the engine, into a mid-to-high position. This can be a tip to change the spark plug and either clean or replace it with a new one. Before you start a push lawn mower, locate the prime button, which is usually a red or black button with a rubber cap located somewhere on the body of the mower. LAWN & GARDEn Plugs. You will need a deep well socket to remove the spark plug. If needed, repeat the spraying, soaking and wiping several times. E3 13/16 in. Then repeat the process with each spark plug until they have all been cleaned and reinstalled. Lawn mower coils give lots of problems, I replace tons of them. Your mower is now a finely-tuned machine again, but there’s one more thing to check out: the blades. Lawn Mower & Small Engine Spark Plug Application Chart Use this Small Engine Spark Plug Reference Chart to find the right spark plug for your walk mower, riding mower, zero turn mower or any other gas powered small engine power equipment. People can then rinse and dry off their gas lawn mowers. How to sharpen lawn mower blades without removing them: Collect the required tools; Seal the gas tank. You will need a screwdriver, a carburetor cleaner spray, and some time. RYOBI 2-Cycle Spark Plug (27) Model# AC00160A $ 4 97. Helpful 0 Not Helpful 0. Changing the spark plug is part of the routine maintenance required to operate a mower. Add new small engine oil to the compartment up to the dipstick fill line. 5. Install and tighten the new spark plugs and attach the plug wires. And changing the spark plug is one very important task you should be performing in the full maintenance of your lawn mower. Or, in the case of an electric mower, remove the power cord ; Tilt the mower and place the wooden block under it on the other side to give it support. Some lawn mower models … If you can, disconnect the spark plug, too. An absence of spark will require replacement of the ignition coil. Thanks! https://besthomegear.com/how-to-tell-if-a-lawn-mower-spark-plug-is-bad If your mower is electric, make sure that the plug is removed from the socket before cleaning any part of it. 2. How to Change (or Clean) the Air Filter Before changing/cleaning the air filter, first determine whether your machine has a paper or foam air filter. Using your Spark Plug Socket Wrench, remove the old spark plug. Fuel - Possible fuel line or carburetor disruption. In either case, the spark plug will need to be cleaned or replaced and the spark plug port will need to be cleaned of oil before the lawn mower engine will start. Air Filter. Clean the spark plug. This will loosen some of the dirt and caked-on grass clippings. 1. Always wear gloves to clean a lawn mower. Exclusive. A spark plug should be changed once every year at the start of the new season. If the mower does not have a drain plug, use an oil extractor kit to remove oil from the compartment. Cleaning the Lawn Mower Spark Plug by Heating. Symptoms can include; not being able to start your motor, engine misfires, poor gas mileage, and just overall bad performance. Make sure it is well fitted to prevent any electric faults and cut-offs. Helpful 0 Not Helpful 0. FAQ; My Account × Menu; Spark Plug Cleaning/Inspection. Yes, spark plugs do wear out. In order to keep running, it needs regular tune-ups. 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