B & S Engine Mower Running Rough

My guess is that it's part of one of the sheet metal shrouds on your engine. It probably got broken off during repair. The engine should operate just fine without it, it's probably used for attaching one of the optional features that your engine does not have.
 
If you decide to go with a new carburetor, here's the one I would get: https://www.amazon.com/Briggs-Stratton-799866-Carburetor-Replaces/dp/B00CNWWNGW

It Works!!!!

I see your problem got resolved, congratulations! I just wanted to post in here an extra thank you to the diagnosers for the suggestions, as well as a thank you to the legwork by Kennykenny for trying all of the suggestions. Your efforts helped me resolve my similar issue the same way (replaced carburetor).
Thanks everyone!
 
I see your problem got resolved, congratulations! I just wanted to post in here an extra thank you to the diagnosers for the suggestions, as well as a thank you to the legwork by Kennykenny for trying all of the suggestions. Your efforts helped me resolve my similar issue the same way (replaced carburetor).
Thanks everyone!


Agreed....the help was awesome. This site is great. I will be back on it again soon as I am needing some advice on a Stihl blower. :wink:
 
Help!!! The same lawn mower still has issues. Upon using the mower for the third time since the replacement of the carb, other issues have begun. I started the mower,
it took 4-5 pulls to start. The RPM's was running really fast and it seemed very loud. The mower ran for about five minutes and then the RPM's dropped very slow. The mower did not die but it sounded like it was going to. The mower was also sputtering a bit off and on. I countinued to mow hoping that things would "fix itself" and I could just move on with the mowing. The RPM's continued to run slow and the mower did eventually die. I could not immediately get the mower to start on the lawn. I moved the mower to the flat driveway and the mower started after 3-4 pulls. The mower once again ran with a high RPM and then dropped slow. The mower continued to do this 4-5 times until I finally gave up and borrowed a mower to finish. :thumbdown:

I did just remove the blade and shapened and balanced it. I reinstalled it correctly(it appears). I just say this in case for some remote possibility that this could help lead to any problem.

Any new diagnosis? Very frustrating.......:mad:
 
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