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 Backfiring throw muffler 
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Joined: Fri Jun 03, 2011 12:54 pm
Posts: 47
Post Backfiring throw muffler
Cleaned carb changed spark plugs and at wide open it backfires throw the muffler. Runs great at all other rpms. It's a 23 bs mudbuddy. HELP!


Sun Sep 04, 2011 8:54 pm
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Joined: Wed Feb 18, 2009 6:43 pm
Posts: 3958
Location: Centerville, La
Post Re: Backfiring throw muffler
check the valves

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I gave up mud motors


Sun Sep 04, 2011 9:55 pm
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Joined: Thu Jan 15, 2009 1:24 am
Posts: 455
Post Re: Backfiring throw muffler
I believe an exhaust leak will cause this same issue wont it?


Mon Sep 05, 2011 8:33 am
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Joined: Fri Jun 03, 2011 12:54 pm
Posts: 47
Post Re: Backfiring throw muffler
It is shooting a small blue flame out. There isn't an air and fuel mixture? Maybe not enough spark going to clean the mag and coils. No muffler leak. If y'all have anything else it would be great.
Ps. Do y'all know the valve lash


Mon Sep 05, 2011 4:10 pm
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