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Vibration after changing slip-ons

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Old May 14, 2016 | 08:40 PM
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Default Vibration after changing slip-ons

2007 XL1200C

I pulled off a pair of Screamin' Eagle Shorty and put back on a pair of Cycle Shack MXL-130 slip-ons, which originally were on the bike when I bought it last year. The Shack's are louder ("real" Harley sound, lol), the SE's are pretty quiet, slightly louder than stock.

Anyway, I'm noticing a lot of vibration that I didn't have before, pretty much all across the rpm range. I recently installed a FuelMoto tuner, I'm wondering if they need to adjust the tune for the different pipes, maybe that will help.

I've checked the pipes, everything is nice & tight.
Anyone?
 
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Old May 14, 2016 | 08:46 PM
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Different pipes different air flow. Retune is in order.
 
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Old May 14, 2016 | 09:36 PM
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More rumble more vibration...LOL

Not knowing what kind of vibration, a new tune is a good place to start given that you checked all fasteners. Not all pipes are created equal.
 
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Old May 16, 2016 | 07:23 PM
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You're not alone. Mine vibrates so bad now, I put it up for sale.
 
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Old May 16, 2016 | 07:32 PM
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Originally Posted by Huggerbugger
You're not alone. Mine vibrates so bad now, I put it up for sale.
When you say "now", what mods did you do that it ended up so bad?

I threw my Screamin' Eagle pipes back on, and it's silky smooth again. The bike originally had the Cycle Shacks, and while louder, it didn't have a vibration issue. It's only since getting the tuner that it became an issue. I am awaiting a new map from FuelMoto for the Cycle Shack pipes, which I expect should smooth things out.
 
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Old May 16, 2016 | 07:51 PM
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Haven't done anything, except change the front motor mounts, thinking that would cure it. Made it worse.
 
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Old May 16, 2016 | 09:18 PM
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A Harley Sportster vibrate, NO way!!!!!!!
Would agree, probably new tune probably in order.
 
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Old May 17, 2016 | 02:31 AM
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since I put my slips on on my rear pegs drop down all the time due to the vibration
 
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Old May 17, 2016 | 02:37 AM
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Originally Posted by BensonUK
since I put my slips on on my rear pegs drop down all the time due to the vibration
My Vance and Hines do the same on mine. Especially now I have installed the Kuryakyn wing pegs
 
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Old May 17, 2016 | 06:34 AM
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So we have several bikes with a vibration problem, following a muffler change? Doesn't make sense to me, I must confess. There surely has to be a simple answer to this. A pal of mine swapped mufflers recently on his '07 and his bike is fine.
 
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