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. Once removed, the spark plugs condition can tell you if the engine is operating properly and if the spark plug is working. 1. https://besthomegear.com/how-to-tell-if-a-lawn-mower-spark-plug-is-bad Install and tighten the new spark plugs and attach the plug wires. RYOBI 2-Cycle Spark Plug (27) Model# AC00160A $ 4 97. If the mower does not have a drain plug, use an oil extractor kit to remove oil from the compartment. A lawn mower not starting doesn’t necessarily mean the fuel is not reaching the engine or spark plug. Always wear gloves to clean a lawn mower. This can be a tip to change the spark plug and either clean or replace it with a new one. 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. Make sure it is well fitted to prevent any electric faults and cut-offs. 2. A clean spark plug in good condition will ensure that your gas-powered mower has less trouble starting, even when it's starting cold. Some lawn mower models … Getting to the carburetor . Choose a brand … 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. Before changing the oil in the lawn mower, disconnect the spark plug. They help power millions of small engines, including mowers, tractors, snow blowers, chainsaws and leaf blowers. The mower is now safe to work on. If your mower is electric, make sure that the plug is removed from the socket before cleaning any part of it. 1. And changing the spark plug is one very important task you should be performing in the full maintenance of your lawn mower. If needed, repeat the spraying, soaking and wiping several times. Exclusive. The spark plug may be old, or the gas tank may be empty. Add new small engine oil to the compartment up to the dipstick fill line. Reattach the spark plug wire onto the top of the spark plug, the start the mower to check its operation. Next use a leaf blower to blast away any old dirt and major debris. 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. LAWN & GARDEn Plugs. E3 13/16 in. Your lawn mower maintenance isn't complete after you've changed the oil and replaced the air filters. Clean the mower. Grip the spark with pliers on the end the wire connects to. People can then rinse and dry off their gas lawn mowers. For safety, first, we need to disconnect the spark plug before removing the blades. You will need a deep well socket to remove the spark plug. 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. 3. A clean mower deck gives the blade proper room to spin. Wipe the plug with your clean cloth or rag to remove the residue. 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. This will also eliminate any risk of the lawn mower accidentally starting when you are working on the blade. 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. 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. Thanks! Before you start any maintenance work on your lawn mower, disconnect the spark plug and make sure the throttle is in the off position. The spark plug gauge will help you set the right gap on the new plugs, as outlined in your lawn mower’s operator manual. To fix this problem and make the mower start, remove the spark plug, clean off any debris, and return it. Note that single cylinder lawn mower engines have one spark plug, while twin-cylinder riding mower engines have two spark plugs. Bosch calls its spark plug a “super” product and we agree. Champion Eco-Clean 13/16 in. FAQ; My Account × Menu; Spark Plug Cleaning/Inspection. 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. Always thoroughly empty the grass box or bag. 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