Plug the spark tester into the boot, and connect the spark tester clip to a good grounding spot on the engine . How do I replace a lawn mower spark plug wire? Use the socket wrench to unscrew the spark plug by turning it counterclockwise. How do I get the top part of that wire off the engine? The cost of a Magneto is not that bad you can expect to pay $20 on push mowers to $50 on lawn tractors. When your Craftsman lawn mower won't start, you might get very frustrated. Reattach the spark plug wire onto the top of the spark plug, the start the mower to check its operation. Make sure the engine is cool before you attempt to replace the spark plug. Your lawn mower should be ready to run. 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. Try starting the engine, if you notice a spark, this tells you that the ignition coil is working, and the spark plug may be the problem. It is one of the simplest and cheapest ways to keep your mower running smooth for years to come. Remove the plug from the mower and put the plug wire back on the plug. Page 54 Tighten the blade bolts with a torque wrench. Page 3 The HR194 meets CPSC blade safety requirement This manual covers operation and maintenance All information in this publication for printing. Place this on the mower’s spark plug and turn it counter-clockwise to remove the spark plug from the head of the engine. If there is damage to the protective shield encasing the spark plug wires, then you need to replace the spark plug wires. A lawn mower is like a car. Step 1- Disconnect the spark plug lead.Clean the area around the spark plug to avoid getting debris in the combustion chamber when you remove the plug. You should only follow these steps if you feel confident doing so. 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 This DIY repair guide explains how to replace the ignition coil on a riding lawn mower. Find out more This lawn mower repair guide shows how to install a new spark plug on a lawn mower. Honda Genuine OEM HRX217 (HRX2175HYA) (HRX2175HZA) (HRX2175VKA) (HRX2175VLA) (HRX2175VYA) Walk-Behind Lawn Mower Engines Spark Plug 4.9 out of 5 stars 14 $6.48 $ 6 . Removing and changing the spark plug of your lawn mower is essential to ensure that the lawn mower stays in optimal condition. An absence of spark will require replacement of the ignition coil. You should see a bright blue spark. I have a Toro Recycler walk behind mower and I believe I have to replace the spark plug wire. If not, it's likely the ignition coil isn't working. Or, if you have a torque wrench, you can remove and install the blade yourself. Remove the spark plug boot I included a picture. You can use a soft wire brush to clean the spark plug. The only tools you’re likely to need are a ratcheting socket driver, a spark plug socket, and gauge. Once removed, check the electrode tip and ceramic insulator for build up or wear. Won't start. How to Replace the Spark Plug of a Honda HRX/HRR Lawn Mower. 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 Start A Craftsman 6.75 Lawn Mower. This video shows you how to easily replace your dirty spark plug with a new one. Wear heavy gloves to protect your hands. Prior to the wire breaking, the lawnmower would start and then sputter off. We stock engine tune-up parts like spark plugs , air filters , and carburetor repair kits , … A clean spark plug in good condition will ensure that your gas-powered mower has less trouble starting, even when it's starting cold. Install the New Spark Plug . “In a mower in particular, mice can chew through your spark plug wire, fuel hose, or possibly chew the pull cord.” Step 2: Prep the Mower for Storage For a Gas-Powered Mower: Stabilize the Fuel The ignition coil produces the energy that creates the spark at the spark plug. I have a 12 year old Craftsmen 22" side discharge push mower, model 917.387461. And make sure to watch our accompanying video for further details. When installing the blades, the curved ends of the lower blade should match up with the angled edges of the upper blade. 48 The first thing I did was remove the plug and connect the coil wire to to the plug, then I started the engine and surprise, the plug was firing fine,even on a bright sunny day like today I could clearly see a nice blue spark in the plug gap. There is no need to overtighten; the plug simply needs to be snug. Summary. Replacing the spark plug. How do you change a lawn mower spark plug? Find this spark plug and more by visiting our Honda HRX217 parts page. Watch the spark tester or spark plug, looking for a spark between the electrodes of the tester or spark plug. A fouled spark plug can be the cause of a wide variety of small engine problems and frustrations. Thread the new spark plug into the engine crankcase and tighten the spark plug with a socket wrench. 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. Avoid using blaster for spark plug cleaning purposes. You also need to check your mower's spark plug. Spark plug cleaning and maintenance is an essential part of engine maintenance. 1. Note: The contents of this article are designed for informational purposes, and to help you quickly navigate the various conditions. 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. 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 . Check the spark plug annually as part of your regular lawn mower maintenance. Replacing your lawnmowers spark plug is pretty straightforward and one of the easier lawn mower maintenance tasks. The the plug wire head does not make good contact with the plug … The spark plug wire on my craftsman lawnmower has broken off at the point where it attaches to the spark plug. 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 maintenance isn't complete after you've changed the oil and replaced the air filters. Check the gap on your new spark plug. 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. If a spark is present, the ignition coil is working properly. The model and part number are: Lawn Mower Model #: 917.388280 Engine Model #: 143.996004 Sub Component: Replacement Parts Key #: 100 Part Description: Module Step 2- Remove the spark plug using a spark plug socket. First you will have to remove the spark plug boot. Sometimes the spark plug can be cleaned and adjusted by resetting the spark gap at the end of the plug… The spark plug ignites the air and fuel mixture in the engine to start the lawn mower. It is rusted on the inside and a piece of the metal fell out. Once the spark plug is in, replace the cap, pushing it onto the plug until you hear a secure snap. Now hold the plug against the metal of the engine using the insulated pliers, take care to ground it well. 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. To access the blades, disconnect the spark plug cap and turn the fuel valve to “OFF,” then tilt the mower on its right side. Depending on usage and environment, it's not a bad idea to replace the plug every year or two. ; Step 3- Inspect the spark plug for very stubborn deposits, or for cracked porcelain or electrodes that have been burned away.If any of these conditions exists, replace the spark plug. Does the entire block have to come off? Changing your spark plug will increase the efficiency and extend the life of your engine. 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. Frequently inspecting and, if needed, replacing your equipment’s spark plug will save … 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. Changing the Spark Plug on a Honda Lawn Mower. In order to keep running, it needs regular tune-ups. Recommended Tools: Spark plug wrench or socket wrench Thank you. 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 Watch our video on how to replace the spark plug on a Honda lawn mower. The helper now attempts to start the mower while you observe plug spark. Spray the dirty lawn mower spark plug with brake cleaner and let it soak for about ten minutes. The most common problem associated with a bad spark plug in a lawnmower is that the mower is more difficult than normal to start. Turn the lawn mower's ignition switch on and pull the rope to spin the flywheel. If no spark, try the new plug. Page 4 Thank you for purchasing a Honda Lawn Mower. Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without incurring any obligation. As the spark plug is used, the center electrode wears down, making it less and less effective as time passes. Remove the black plug wire by lifting the spark plug cap that covers the end of the plug. Screw the new spark plug back into the cylinder on the mower, using the socket wrench. Make sure the fuel cap is near the top of the mower. 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. Step 14: Replace the spark plug Step 15: Replace the fuel and oil in the machine. When the blade needs sharpening or replacement, take the lawn mower to an authorized Honda lawn mower dealer. This creates a spark. Use a spark plug tester to check for spark when you turn the key. 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