Try disconnecting wire from the coil so only coil is involved. make sure Gap is correct and coil is mounted correctly If no spark then coil is bad. make sure your turning it over fast enough.
If you have tried the obvious (another plug) then more than likely the electronic ignition coil has gone bad. Might look for a used one on eBay once you find the part number. I just replaced one on a lawn boy and the used part was around 16 dollars with shipping.
Check the engine stop wire where it connects to the carb mounting plate. make sure it is not shorted to ground. Remove the top cover from the engine and check the flywheel to magneto air gap, it should be about .020 of an inch, this is about the thickness of a matchbook cover. Also check the spark plug wire and the connections, make sure they are clean and tight. The magneto is the y shaped piece behind the flywheel. Remove the flywheel holdown nut and washer and make sure the notch in the flywheel and in the crankshaft are across from each other. If they are not, you will need to remove the flywheel, and replace the aluminum key that goes there. The notches need to be aligned for the ignition timing to be correct. I hope this helps, good luck. Dan
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Hi austin kennedy, I want to help you with your problem, but I need more information from you. Can you please add details in the comment box? Have you eliminated your flywheel brake/ground switch by disconnecting the ground wire from the coil? Replaced spark plug? Inspected coil wire for breaks or cracks in places where it passes between the shroud? Checked gap between the coil and flywheel which is .10" to .11".
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