Note: If you’re inspecting Spark plugs on Outdoor lawn equipment, and aren’t very familiar with small engine maintenance – check out how to tell if a lawn mower spark plug is bad . When you start your lawn mower or small engine, you turn the flywheel and its magnets pass the coil (or armature). And make sure to watch our accompanying video for further details. Find out more Next, re-attach the spark plug wire, start the lawnmower and then the engine should start running smoothly. Turn the lawn mower's ignition switch on and pull the rope to spin the flywheel. The cost of a Magneto is not that bad you can expect to pay $20 on push mowers to $50 on lawn tractors. This lawn mower repair guide shows how to install a new spark plug on a lawn mower. Install the New Spark Plug . To extend the life of your Honda lawnmower, proper and timely maintenance is of the utmost importance. If you're wondering how to remove, inspect, and replace the spark plug in your lawn mower, this article will walk you through the steps of doing so. Replacing your lawnmowers spark plug is pretty straightforward and one of the easier lawn mower maintenance tasks. Place the spark plug wire boot over the plug and push in with your thumb until the boot locks over the plug. Thank you. The most common problem associated with a bad spark plug in a lawnmower is that the mower is more difficult than normal to start. Wear heavy gloves to protect your hands. Watch the spark tester or spark plug, looking for a spark between the electrodes of the tester or spark plug. How do I replace a lawn mower spark plug wire? You can use a soft wire brush to clean the spark plug. To access the blades, disconnect the spark plug cap and turn the fuel valve to “OFF,” then tilt the mower on its right side. A lawn mower is like a car. In order to keep running, it needs regular tune-ups. Page 3 The HR194 meets CPSC blade safety requirement This manual covers operation and maintenance All information in this publication for printing. The spark plug ignites the air and fuel mixture in the engine to start the lawn mower. I have a Toro Recycler walk behind mower and I believe I have to replace the spark plug wire. Or, if you have a torque wrench, you can remove and install the blade yourself. Here's a different mower coil control wire, it's a very simple connection, the contact points must separate before the coil and plug will create a spark. A clean spark plug in good condition will ensure that your gas-powered mower has less trouble starting, even when it's starting cold. This DIY repair guide explains how to replace the ignition coil on a riding lawn mower. A push mower may … Check the spark plug annually as part of your regular lawn mower maintenance. EcoTech Mower Coat; Lisle Hose Pincher; Lisle Spark Plug Gauge; Performance Tool W127C Spark Plug Gauge; Performance Tool W80521 6 Wire Ford Spark Plug Gauge; Spark Doctor Spark Plug Wrench and Tune-Up Tool; Stanley 3-Piece Professional Grade Spark Plug Socket Set 85-721; Stanley 5" Needle Nose Pliers; Titan 61 Piece Bit Set Won't start. Plug the spark tester into the boot, and connect the spark tester clip to a good grounding spot on the engine . 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. 5/8 spark plug socket; Extension; Ratchet; Begin by connecting the spark plug socket to the extension, and connect the extension to the ratchet to create one tool. Your lawn mower should be ready to run. How to Replace the Spark Plug of a Honda HRX/HRR Lawn Mower. As the spark plug is used, the center electrode wears down, making it less and less effective as time passes. Page 54 Tighten the blade bolts with a torque wrench. Sometimes the spark plug can be cleaned and adjusted by resetting the spark gap at the end of the plug… Now hold the plug against the metal of the engine using the insulated pliers, take care to ground it well. Removing and changing the spark plug of your lawn mower is essential to ensure that the lawn mower stays in optimal condition. Recommended Tools: Spark plug wrench or socket wrench 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 Replacing the spark plug. Common coil faults Coils generally work or they don’t, occasionally you’ll get a coil that works when it’s cold and stops when the engine heats up. If not, it's likely the ignition coil isn't working. Buckbock Ignition Coil for Honda Gx240 Gx270 Gx340 Gx390 8hp 9hp 11hp 13hp Engine Lawn Mower Tractor Generator w/Spark Plug HIFROM Replace Ignition Coil with Spark Plug Replacement for Harbor Freight Predator 212cc 6.5HP OHV Horizontal Engine 69730 69727 Go Kart How do I get the top part of that wire off the engine? Start A Craftsman 6.75 Lawn Mower. Unlike automotive engines the wire to the spark plug is normally attached to the magneto and is not replaceable if you have damage to your plug wire you will probably need to replace everything. Avoid using blaster for spark plug cleaning purposes. Make sure to check and replace the spark plug as needed after some duration to keep lawnmower efficient. Spark plug cleaning and maintenance is an essential part of engine maintenance. Summary. It is rusted on the inside and a piece of the metal fell out. Depending on usage and environment, it's not a bad idea to replace the plug every year or two. Remove the spark plug boot Step 2- Remove the spark plug using a spark plug socket. Prior to the wire breaking, the lawnmower would start and then sputter off. If no spark, try the new plug. 1. Lawn Boy lawnmowers contain small, simple engines that employ single spark plugs to ignite the air/fuel mixture to keep the mower running. The model and part number are: Lawn Mower Model #: 917.388280 Engine Model #: 143.996004 Sub Component: Replacement Parts Key #: 100 Part Description: Module Does the entire block have to come off? Use a spark plug tester to check for spark when you turn the key. Page 4 Thank you for purchasing a Honda Lawn Mower. Use the socket wrench to unscrew the spark plug by turning it counterclockwise. Remove the plug from the mower and put the plug wire back on the plug. The spark plug wire on my craftsman lawnmower has broken off at the point where it attaches to the spark plug. Make sure the engine is cool before you attempt to replace the spark plug. We stock engine tune-up parts like spark plugs , air filters , and carburetor repair kits , … Find this spark plug and more by visiting our Honda HRX217 parts page. Reattach the spark plug wire onto the top of the spark plug, the start the mower to check its operation. If there is damage to the protective shield encasing the spark plug wires, then you need to replace the spark plug wires. 48 You should see a bright blue spark. Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without incurring any obligation. If you need to replace the drive belt on your Mountfield lawn mower, but are unable to do this yourself, always enlist the help of a trusted lawn mower service and maintenance provider. Make sure the fuel cap is near the top of the mower. How do you change a lawn mower spark plug? This video shows you how to easily replace your dirty spark plug with a new one. Watch our video on how to replace the spark plug on a Honda lawn mower. With the increase in resistance in the wires, there is a decrease in the amount of electricity arriving through the spark plugs — which results in the incomplete combustion of gases inside the cylinder. It is one of the simplest and cheapest ways to keep your mower running smooth for years to come. There is no need to overtighten; the plug simply needs to be snug. Changing the Spark Plug on a Honda Lawn Mower. Once the spark plug is in, replace the cap, pushing it onto the plug until you hear a secure snap. Note: The contents of this article are designed for informational purposes, and to help you quickly navigate the various conditions. You should only follow these steps if you feel confident doing so. Quality Lawn Mower Wire, Receptacle & Wire Connector Parts From Repair Clinic No matter which lawn mower parts you need to keep mowing this season, Repair Clinic will take care of you. You also need to check your mower's spark plug. The helper now attempts to start the mower while you observe plug spark. When your Craftsman lawn mower won't start, you might get very frustrated. I have a 12 year old Craftsmen 22" side discharge push mower, model 917.387461.