2006 Ultra Clasic rough idle & slight backfire/pop
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Joined: Oct 2008
Posts: 31
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2006 Ultra Clasic rough idle & slight backfire/pop
Bike seems to have a slight rough idle and slight backfire out the right exhaust pipe. Can't tell which cylinder since the back cylinder feeds both left an right exhaust pipes.
I changed the plugs but not difference. Bike is a one owner well cared for 10K mile bike.
It appears to me this started after washing it last month...can't be a 100% on that however after that is seems that is when the rough idle started.
At a set of lights you can really feel it idle rough however all other speeds it runs fine....
What could be? Where do I start to chase this issue?
I changed the plugs but not difference. Bike is a one owner well cared for 10K mile bike.
It appears to me this started after washing it last month...can't be a 100% on that however after that is seems that is when the rough idle started.
At a set of lights you can really feel it idle rough however all other speeds it runs fine....
What could be? Where do I start to chase this issue?
Seasoned HDF Member
Joined: Oct 2006
Posts: 5,977
Likes: 85
From: Nevada
Try cleaning the IAC orifice. Take your air cleaner off. It's inside the throttle body at the 12 o'clock position. You can spray carb cleaner in it while activating it with the on/off switch. Ignition on.
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