Riding Mower Won't Start After Hitting Gravel?

A riding mower cutting grass.
Hitting objects such as gravel or stumps when mowing can damage the crank shaft and other parts of your riding mower. A careful inspection will be needed to determine which parts are affected. This is a page about when a riding mower won't start after hitting gravel.


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April 25, 2017

I have a Yard Machine 48" cut. My father-in-law was using it and hit some gravel. Now it won't start, but putts and turns over. Can anyone help me?


Silver Post Medal for All Time! 255 Posts
April 25, 20171 found this helpful
Best Answer

Check the crank shaft first. It is is bent, they are designed for them not to start as a safety feature. Then, check your throttle and cable and fuel line.


Most likely the crack shaft came uncentered from the flywheel and needs to be lined back up to the cotter pin.

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Diamond Post Medal for All Time! 1,246 Posts
April 25, 20171 found this helpful

The gravel probably bent the crankshaft :/

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Gold Post Medal for All Time! 677 Posts
April 26, 20170 found this helpful

You could have bent or broken blades.

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