Popping from my new Stage 1 Swept Exhaust - Victory Forums - Victory Motorcycle Forum
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post #1 of 23 (permalink) Old 05-21-2012, 04:54 PM Thread Starter
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Default Popping from my new Stage 1 Swept Exhaust

I noticed a lot of popping from my new Stage 1 Swept Exhaust on deceleration and even during shifting. I took it back to the shop & they replaced the fuel pump and several seal/gaskets around the injetor body. Still have the popping. The shop tells me that I may not have any luck with the fuel management systems on my '08 Vegas. Something about the '08s and after can't tweak the mapping? Isn't that what the fuel management systems are suposed to do? Can anyone help?
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post #2 of 23 (permalink) Old 05-21-2012, 05:13 PM
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its normal. explanation too long to type, but trust me its normal. the louder pipe has made it more noticeable to you now. mine does same thing.

2011 ness vegas #105
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post #3 of 23 (permalink) Old 05-21-2012, 05:14 PM
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Idle Air Control Valve. Lloydz, 70 bucks. From what it says, this is the very reason they made it.

2012 vegas 8ball
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post #4 of 23 (permalink) Old 05-21-2012, 05:17 PM Thread Starter
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The popping on deceleration may be normal, but popping between shifs isn't?
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post #5 of 23 (permalink) Old 05-21-2012, 10:27 PM
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Quote:
Originally Posted by Damby View Post
The popping on deceleration may be normal, but popping between shifs isn't?
Yep, sorry, but that's normal. Mine has been doing it since day one of having the swept pipes. Not every time, and not every day, some days bad, some days not at all. Same story from the dealer, they all do it starting with the 2008's, and they are restricted from tuning it out.

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post #6 of 23 (permalink) Old 05-21-2012, 10:34 PM
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they actually can tune it out some. has to do with throttle voltage and the throttle position sensor. mine pops sometimes on decel and sometimes on shifts. normal.

2011 ness vegas #105
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post #7 of 23 (permalink) Old 05-21-2012, 10:39 PM
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My KP does as well. swept pipes. loud and not always will it do it and you cant make it do it. sometimes on decel but up shifting most. I like it its unique. but thats just me..

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post #8 of 23 (permalink) Old 05-21-2012, 10:49 PM
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i have found you can make it do it most of the time if you pull the clutch in without completely rolling off the throttle fully.

my concern was long term damage from years of occasional popping....but after 15 minutes of talking with the lead tech and sales manager at my dealer i'm convinced its just a nuisance. its a closed loop engine issue, but it apparently doesnt damage anything and my dealer says they have got to the point where they tweak some settings preemptively when someone gets swept pipes because they see it so often.

i agree with okiehoss, it sounds cool.....and since its harmless i dont care anymore.

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post #9 of 23 (permalink) Old 05-22-2012, 05:46 AM
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Mine does it to...Asked the Dealer, he said it's fine..Doesn't bother me..

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post #10 of 23 (permalink) Old 05-22-2012, 07:02 AM
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I guess I have a differnt concept of "normal". Popping through the exhaust is not normal and is a byproduct of running too lean. It should be corrected. Dealers that blow you off shouldn't be patronized either.
Damage can and probably will show up sooner or later. To each his own.

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