B&S Lawn Mower Engine Won't Start

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  #1  
Old 08-31-10, 05:48 PM
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B&S Lawn Mower Engine Won't Start

I ran over a large rock with my 22" push mower, and it immediately stopped. The mower has a 500 Series B&S engine. It is now extremely hard to pull the starter cord. When I remove the spark plug it pulls freely. I don't see any obvious bending of the blade or shaft and no obvious other damage or oil leaks etc. Is it likely ruined? Thanks.
 
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Old 08-31-10, 06:07 PM
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Originally Posted by cfw190 View Post
I ran over a large rock with my 22" push mower, and it immediately stopped. The mower has a 500 Series B&S engine. It is now extremely hard to pull the starter cord. When I remove the spark plug it pulls freely. I don't see any obvious bending of the blade or shaft and no obvious other damage or oil leaks etc. Is it likely ruined? Thanks.
You probably have sheared the flywheel key which puts the engine out of timing, pull the flywheel and replace the key and if you didn't bend the crank you should be good to go. Have a good one. Geo
 
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Old 09-01-10, 04:31 PM
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Thank you! I will give that a try.
 
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