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OK i have a 96 ultra Sp and when its running and you give it gas it kinda sounds like there is a slight backfiring.(not a loud bang but multiple small ones) cant tell if its in the exhaust or the air box what would cause this???
 

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sounds like it could be froze up or out of index
 

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It is very critical to insure your carbs are in sync since there are 3 of them. If this does not fix the problem, you may need to clean the carbs.
 

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Hmmm, can you take a video? Bad gas hopefully, have you put new stuff in and cleaned your carbs out? Otherwise, this sounded like mine last Spring, then it got louder, and more common and ran poorly......Short one ring, and some new weight reduction on the piston...
 
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