Vibration RPM specific - Road Glide Forums
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post #1 of 6 (permalink) Old 03-12-2016, 01:14 PM Thread Starter
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Vibration RPM specific

I have a slight vibration that starts at 2800 rpm to 3000 rpm, it doesn't matter what gear or speed I'm going it starts at 2800 and will continue to 3000 rpm, if I'm under 2800 no vibration if I'm above 3000 no vibration. I've had no work or mods done recently, my bike is a '12 RGU with 76k miles, 574 cams but that was done at 30k miles.

The vibration does not seem to be coming from the suspension it feels more drivetrain related, I've checked all the mounts for tranny and engine and all is good there. Looking for anyone that has had any similar symptoms or thoughts on cause. I have not changed my primary chain tensioner so that was my first thought with the miles I have on it but, any thoughts would be appreciated


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post #2 of 6 (permalink) Old 03-12-2016, 11:50 PM
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I had a similar vibration a couple years ago and that large bolt that holds the exhaust on was loose

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post #3 of 6 (permalink) Old 03-12-2016, 11:53 PM
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1+ somethings loose and hasn't fallen off yet. Wrench test time.

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post #4 of 6 (permalink) Old 03-13-2016, 03:03 AM Thread Starter
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I had a similar vibration a couple years ago and that large bolt that holds the exhaust on was loose
I thought of the exhaust as well and checked it, everything tight there as well. Gonna throw it on the lift and go over everything


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post #5 of 6 (permalink) Old 03-13-2016, 10:39 AM
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post #6 of 6 (permalink) Old 03-13-2016, 11:15 AM
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Quote:
Originally Posted by MShell View Post
I have a slight vibration that starts at 2800 rpm to 3000 rpm, it doesn't matter what gear or speed I'm going it starts at 2800 and will continue to 3000 rpm, if I'm under 2800 no vibration if I'm above 3000 no vibration. I've had no work or mods done recently, my bike is a '12 RGU with 76k miles, 574 cams but that was done at 30k miles.

The vibration does not seem to be coming from the suspension it feels more drivetrain related, I've checked all the mounts for tranny and engine and all is good there. Looking for anyone that has had any similar symptoms or thoughts on cause. I have not changed my primary chain tensioner so that was my first thought with the miles I have on it but, any thoughts would be appreciated
Mine ended up being the header rubbing on the floorboard. Cause: Front motor mount had worn and engine dropped down.
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