![]() ![]() Each engine is different so if you are unsure you should check your lawn mower’s user manual to determine what/where it is. Locate the engine’s flywheel which looks like a circular piece with multiple blades going around in a circle.Depending on the type of lawnmower you are using, there may not be a cover (in the case of a riding lawnmower, the hood may already be the cover). Remove the engine cover which is on the top of your lawn mower.Remove the spark plug cover which is usually a rubber cord that pulls right off the spark plug easily with a little tug.Here are the steps to follow to check the ignition coil: Make sure you continue to wear your leather gloves through this part. ![]() Testing your ignition coil by using a multimeterĪfter you have ensured the spark plug is not an issue, it’s time to check on the ignition coil. If you are looking for a good multimeter that’s a bit more affordable, then I would instead suggest the Innova 3340 which is a much better choice for DIY and homeowners. The Fluke 116, Fluke 117, and Fluke 87V are some of the best on the market. There are many great multimeters on the market and if you’re looking for the best brand, then the Fluke brand is definitely the one to go for. What is an affordable multimeter to test this on? A spark plug tester is an easy way to check that. If you see a spark appear in the tester, you know that the lawnmower is in good condition but the spark plug was faulty and it’s time to replace it. You can also use a spark plug tester (purchased in most auto stores) which you can replace the spark plug with and try to pull the cord of the lawnmower to start it. Safe to say if you know you’ve had the same spark plug for the past year in your lawn mower, it’s time to change it. If you see black carbon deposits then it’s a sign that the fuel-to-air mixture is too rich and that your carburetor has an issue. If your spark plug has some light-brown deposits on it, it means it’s normal. Removing the spark plug is easy by using a socket wrench and twisting it out. If you’ve been using the same spark plug for a while, you may want to pull it out and check for different signs of problems with your lawnmower. !!! Before you start the next steps, it’s important that you wear leather work gloves to protect your hands from different parts of the engine that may be sharp or spark !!! Spark plugs If it still won’t start, before you begin testing the ignition coil, it’s important to first check the spark plug to eliminate that as an issue. After eliminating things like oil and gas being present and that the cord is connected to the spark plug, wait 10 minutes after you’ve tried starting it and then try starting it again as an initial troubleshooting. ![]()
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