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Black Tail Pipe

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Old Jul 3, 2013 | 10:14 PM
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Default Black Tail Pipe

I have a 1996 Road King with almost 70,000 miles on it. The top end and cam was redone last year by a local guy. I installed a new s&s carb at the end of last year as well. I just went thru having to replace the ignition system because the cam sensor went so I installed a dynatek 2000i single fire ignition. The bike smokes when I am at stop lights and seems to go away or maybe just cant see it as I was at speed. It is leaving black soot at the tail pipe. Is this cause of a rich condition or something else.
 
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Old Jul 3, 2013 | 10:16 PM
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Oh a couple of things I forgot. The new top end has about 6000 miles on it and when I was having problems with the ignition the local checked my compression to check his work and the compression was fine.
 
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Old Jul 4, 2013 | 06:50 AM
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Yes, black smoke is unburnt fuel so it is rich. I'm not famiiar with S&S carbs but hopefully someone will come along and get that idle adjustment changed to the leaner side
 
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Old Jul 4, 2013 | 08:45 AM
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just go to s&s website and go to tech page. s&s also has great youtube videos that will baseline your carby. then tweak from there.
 
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Old Jul 4, 2013 | 05:43 PM
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I think the choke was sticking up, would that cause it? I need to take it apart and clean it but I think that might be it.
 
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Old Jul 4, 2013 | 06:19 PM
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Originally Posted by Tee⋁11486844
just go to s&s website and go to tech page. s&s also has great youtube videos that will baseline your carby. then tweak from there.
Thank you I will check that out!
 
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Old Jul 4, 2013 | 11:06 PM
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s&s will call that an enrichener ****. that will certainly cause yourndescribed condition.
 
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