Question about Garden
Posted by Anonymous on
I have the same issue, my wife hit a rock and now the mower will start for a second then quits. sucks because its brand new. I checked the oil, the gas, the spark plug, the shaft is o.k., even took it apart to check the flywheel shear pin and that's o.k. called the local mower shop and was told to go get another one! basically, the damage is internal and would cost more to fix than replace. this is done purposely by the manufactures. they don't make any money if you buy a $1.00 shear pin, new engine is much more profitable. this is coming form the repair shop.
Posted on Nov 19, 2013
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Posted on Jan 02, 2017
If you hit something hard enough to partially shear the key on the blade adapter, you did shear the key on the flywheel, and it will need to be replaced for the engine to run properly.
Posted on Apr 16, 2009
The flywheel key has sheared or partially sheared which throws off the spark timing. Removing the flywheel and replacing this key will put the timing back in place. If the crankshaft bent at all you will feel a new vibration when it starts. As long as it is not to severe and the blade is not hitting any metal it is ok to run.
Posted on Nov 30, 2009
Unless the blade is belt-driven, like on riding mowers, then the blade is attached directly to the engine crankshaft. Hitting a rock with a mower like this is a very common problem. You probably have a bent crankshaft. In most cases this can be repaired, but may not be worth it, considering the age of the mower. But you should call a local small engine/mower repair shop to ask for an estimate. The repair is not something you would be able to do yourself.
Posted on Apr 30, 2010
Testimonial: "Thank you for your response at least we know what what wrong."
If it hits somthing hard enough it will shear the flywheel key, which will knock the ignition timing out, to replace the key you will have to remove the flywheel, there are special pullers to aid removal of the flywheel, these can be purchased from your local Briggs dealer.
Posted on May 13, 2012
Testimonial: "This was what happend. The key sheared on the fly wheel. I pulled the fly wheel and replaced it, the mower is back in action. Thanks."
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