By: Author John Cunningham. Published: 2020/10/14 at 9:54 am
Backfiring, no starts, the pull cord snapping back violently, and oil leaks are all signs that your shear key is damaged. If you’ve had a blade strike, then it’s very likely you need to watch this video. The good news is a shear key only costs a few dollars.
Before working on your mower, be sure to remove the plug wire to prevent accidental starting; see “Repair Safety Video.”
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John Cunningham is an Automotive Technician and writer at Lawnmowerfixed.com.
He’s been a mechanic for over twenty-five years and shares his know-how and hands-on experience in our DIY repair guides.
Johns’s fluff-free How-to guides help homeowners fix lawnmowers, tractor mowers, chainsaws, leaf blowers, power washers, generators, snow blowers, and more.