Vibration and Wobble
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Stage II
Joined: Sep 2021
Posts: 2
Likes: 0
From: Kansas City
Vibration and Wobble
Purchased my 2012 Super Glide Custom on April 30, 2021. Bike was in great shape with 7,800 miles other than the handlebar bushings needed replaced. Had those replaced within a couple of days. Come June 2021 I put on an Arlen Ness breather, Vance and Hines exhaust with a tune. A few weeks later I had a full fluid change done as well as new tires. Bike seemed to vibrate a little more than before after all of this was done but nothing too crazy (I could deal with it). Come August I rode the bike 2,500 miles to and from Sturgis. Bike ran great. About a month after Sturgis I began getting what felt like a jackhammer vibration in the rear end of the bike. Took it to the dealer and they said the neck bearing was loose. They tightened it down and everything seemed to be fine. A few weeks later I began getting what felt like a humming vibration in the footpegs, highway pegs and grips. It seems to be the worst around 2650 to 2800 RPMs no matter what gear I am in. If I get out of those RPMs it goes away completely. A few days ago I took it to another dealer and then a local shop. Both places said they don't feel what I am feeling and everything seems to be fine. The local shop did replace the front motor mount but it didn't seem to help at all. I also seem to get more of the Dyna Wobble around 70 and 80 MPH. I had a family member ride it and they said they feel the vibration as well. Could any of this be from the dealer a few months ago tightening the neck bearings or could it be something to do with the primary or flywheel? I am at an absolute loss with this.
Elite HDF Member
Joined: Sep 2008
Posts: 4,440
Likes: 148
From: Northwest
I can tell you if the dealer put in a "stage 1 map" because of your pipes... it will run rougher and vibrate more... I found that out personally. When I installed my TTS-MT, all that went away... it was great... but pissed me off at the same time.. because then I new what a crappy map the dealer had installed on my bike.
I got rid of my initial dyna-wobble, by shimming the front mount and then doing a 'vehicle alignment' procedure as outlined in the manual. Wobble disappeared completely after installing the Predator front mount.
I got rid of my initial dyna-wobble, by shimming the front mount and then doing a 'vehicle alignment' procedure as outlined in the manual. Wobble disappeared completely after installing the Predator front mount.
Seasoned HDF Member
Joined: Nov 2016
Posts: 5,801
Likes: 809
From: South Carolina
Man... I got behind two semi's and had one hell of a wobble.... F'ing sucked but throttled down and wind kept a blowing..
Never thought about the motor mounts giving it a shimmy? Same speed two up zero wobble so that might be a solution?
Never thought about the motor mounts giving it a shimmy? Same speed two up zero wobble so that might be a solution?
Stage I
Joined: Dec 2021
Posts: 1
Likes: 0
From: Central New Jersey
Hello all. I live in Central NJ. I was thinking of installing front/rear Sputhe or True Track motor mount stabilizers on my 16 FXDLRS.
Will this void my extended HD factory warranty?
I can only do very basic maintainance and cosmetic upgrades. Im definitely not confident about messing with the engine mounts. Would anybody in the area recommend a trustworthy shop or dealer(lol) ?
Thanks in advance
Will this void my extended HD factory warranty?
I can only do very basic maintainance and cosmetic upgrades. Im definitely not confident about messing with the engine mounts. Would anybody in the area recommend a trustworthy shop or dealer(lol) ?
Thanks in advance
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