Bike is back firing a little bit, nothing major but when i'm slowing down at idle speed I can hear it back firing.... What could this be? I changed the plugs a month ago and it was running fine.. Also, I put good gas in it too.... Any ideas??? Thanks!!!!
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2003 Road King

 

had same problem with my bike, if the bike is carburated and you had exhaust work done try changing the jet to a larger one, thats what fixed my issue

 

Has it got racing tuner? Stage one? Put in on the Dyno.

 

It does have Rineharts on it but it was running fine for a year without any modifications....

 

exaust leek is another suspect

 

[:@]

 

[:'(] ill try rhis again, i just spent afew minutes typeing and could not p[ost this i get one back fire after&nbsp\\; accelerating 55 to 75 then it happens im going to check plugs soon , i just had se11s, stage 1 cleaner , and dealer download

 

I been trying to get a little backfire&nbsp\\; action out of my RK for months now.&nbsp\\; She blubbles but still no real backfire.&nbsp\\; I want the big bang with some flames.

 

had same problem went away after fuelpak adjustment.
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i agree sound like a exhaust leak check clamps and look for residue leaks