True-track vibes
Thread Starter
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Club Member
Joined: Feb 2008
Posts: 11,483
Likes: 39
From: Passaic County, NJ
True-track vibes
Well, a few weeks back I shimmed my front isolator per a suggestion from a forum member after explaining I had horrible vibes going on since installing the TT.
The gap wasn't huge. I used a washer that was 1/8" thick.
In the midst of painting my bike, I had resigned myself to riding it in primer for a while until after our TOTD meet next month. I just didn't think I'd get all the issues resolved.
Bottom line...I threw a gallon of gas in the tank and hit the road. Only good vibes.
I'm fired up!
I don't remember who made that suggestion but a big thanks go out to you.
The gap wasn't huge. I used a washer that was 1/8" thick.
In the midst of painting my bike, I had resigned myself to riding it in primer for a while until after our TOTD meet next month. I just didn't think I'd get all the issues resolved.
Bottom line...I threw a gallon of gas in the tank and hit the road. Only good vibes.
I'm fired up!I don't remember who made that suggestion but a big thanks go out to you.
Elite HDF Member
Joined: Oct 2007
Posts: 4,968
Likes: 34
From: West Palm Beach, Florida
Ok, explain this shim to me if you don't mind..
I'm getting some seriously annoying vibes again after I just changed out my mounts a couple/few thousand miles ago.
What'd you do exactly? What did you shim, and with what?
I'm getting some seriously annoying vibes again after I just changed out my mounts a couple/few thousand miles ago.
What'd you do exactly? What did you shim, and with what?
Elite HDF Member
Joined: Sep 2008
Posts: 4,440
Likes: 148
From: Northwest
To do this, you put your bike on a jack and get her in the air. Get another jack, ( can be a small bottle jack or floor jack) and put it under your engine.. don't lift yet.
Loose both front motor mount bolts, then start jacking very slowly under the engine, while turning the motor mount bolts by hand. When you can turn both by hand, take a look at the space between your motor mount and the frame. That's the amount you want to shim.
Mine also took about 1/8" inch. Fender washers from your local hardware store work great for this.
However, I would recommend doing the vehicle alignment procedure, which part of, is loosening all your motor mounts, then running the engine at idle or just off idle for about 15-20 seconds. The procedure is called out in the service manual.
Loose both front motor mount bolts, then start jacking very slowly under the engine, while turning the motor mount bolts by hand. When you can turn both by hand, take a look at the space between your motor mount and the frame. That's the amount you want to shim.
Mine also took about 1/8" inch. Fender washers from your local hardware store work great for this.
However, I would recommend doing the vehicle alignment procedure, which part of, is loosening all your motor mounts, then running the engine at idle or just off idle for about 15-20 seconds. The procedure is called out in the service manual.
Thread Starter
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Club Member
Joined: Feb 2008
Posts: 11,483
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From: Passaic County, NJ
Archer stated it very well.
Someone posted some really good info in a previous thread I was working on. I'l see if I can dig it up..had some really good shim pics.
Adrian...if it was good, and now it's vibrating, I would take a look at the travel limiting screw. Mine backed out...Sniper77's backed out. If it does, it will make contact with the top TT mount and you get vibes being transferred.
I would check that first....then follow what Archer said.
Someone posted some really good info in a previous thread I was working on. I'l see if I can dig it up..had some really good shim pics.
Adrian...if it was good, and now it's vibrating, I would take a look at the travel limiting screw. Mine backed out...Sniper77's backed out. If it does, it will make contact with the top TT mount and you get vibes being transferred.
I would check that first....then follow what Archer said.
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Thread Starter
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Club Member
Joined: Feb 2008
Posts: 11,483
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From: Passaic County, NJ
Adrian... here is the post I was talking about.
https://www.hdforums.com/forum/6381936-post16.html
https://www.hdforums.com/forum/6381936-post17.html
https://www.hdforums.com/forum/6381936-post16.html
https://www.hdforums.com/forum/6381936-post17.html
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Elite HDF Member
Joined: Oct 2007
Posts: 4,968
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From: West Palm Beach, Florida
Awesome! Thanks for the info. Bookmarked this page. Gunna take a look at it, and going to try this before I buy another mount.
Vic: I don't have a TT on the bike anymore. I sold it a while ago, but I was getting some terrible vibes when I did have the TT. Started out fine, but the screw you were talking about did exactly what you said and made for some nasty vibes. Fixed that, and it was much better.
Vic: I don't have a TT on the bike anymore. I sold it a while ago, but I was getting some terrible vibes when I did have the TT. Started out fine, but the screw you were talking about did exactly what you said and made for some nasty vibes. Fixed that, and it was much better.
