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Top Motor Mounts/Stabilizer Links

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  #11  
Old 05-25-2017, 03:27 PM
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Originally Posted by F86
Cool, and thanks for the measurements! I'll check mine tonight to see if they're the same... Yeah, my rubber inserts are in the same condition as yours... I would prefer to stay away from having any sort of "bushing" in there, as Mike said...

...and just how do you have a nephew who's a monkey? Your family must have some stories...
Niece, actually...and we don't talk about my sister.
 
  #12  
Old 05-25-2017, 05:34 PM
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Originally Posted by Nemosengineer
Hi F86.
One option is to replace the OEM top adjustable link with a true heim link, if you look at the factory link it is rubber lined with spacers pressed in. I replaced mine with with a heim end link,,
,,,primarily because I felt it would add a bit of stiffness and hold the chassis alingment better
Not disagreeing, just thinking more.
Sometimes things are meant to move a little because of torque variables and the strength of the supporting structure (aka:frame and mountings)
Could it be that the continued stress of a "stiff" mounting could fatigue the mounting studs and their space in the frame?
Point is much of motorcycle frames, nut's and bolts are not "hardened" metal,, they are indeed made of/at the brinnel hardness they have on purpose.
Sure, adding a stiff connection will fix the wear we see now,, and in at least the short term future(a few years) we'd find a solution to the worn part,, but what happens after 50K miles?
Aren't some things on vehicles made to relieve stress "because of movement" in certain areas and be part of a normal replacement routine and not be designed to be stiff?
 
  #13  
Old 05-25-2017, 05:50 PM
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Build your own. You can get all the parts from here..

https://www.midwestcontrol.com/
 
  #14  
Old 05-25-2017, 06:27 PM
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Originally Posted by Max Headflow
Build your own. You can get all the parts from here..

https://www.midwestcontrol.com/
Ha... I'm on that exact site right now!
 
  #15  
Old 05-25-2017, 06:44 PM
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Great. Something else I need to add to my to-do list.
 
  #16  
Old 05-25-2017, 07:00 PM
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  #17  
Old 05-25-2017, 09:03 PM
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Originally Posted by Nemosengineer
because I felt it would add a bit of stiffness and hold the chassis alingment better than the rubber lined link.
So with that idea,, should I replace my shocks with Heim Joints because the old ones have rubber mountings?
 
  #18  
Old 05-25-2017, 09:24 PM
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Originally Posted by JohnMn
So with that idea,, should I replace my shocks with Heim Joints because the old ones have rubber mountings?
Nah, but rubber bushings instead of wheel bearings would probably be a good idea.
 
  #19  
Old 05-25-2017, 10:06 PM
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Originally Posted by JohnMn
So with that idea,, should I replace my shocks with Heim Joints because the old ones have rubber mountings?
I understand the point you were making earlier, although I don't know whether it applies in the case of the top mount or not. But the shock analogy isn't really applicable (I don't think), because the shock mount isn't maintaining a critical point of alignment for half of the bike. With the exception of ride height, the shocks aren't really locating the rear wheel precisely within a plane. That's being done by the swingarm, which is located by the transmission case, which is located by the engine, which is located (in one axis) by this little link. I think the top mount actually plays a significant role in how the whole bike tracks on the road...

Or, I might be completely wrong... But it seems logical to me...
 
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  #20  
Old 05-25-2017, 10:15 PM
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Originally Posted by F86
But the shock analogy isn't really applicable (I don't think),
Well I'll give ya that,,
I was just trying to help those that can't grasp it,, "grasp it",,
It seem's to me folks will read this thread and simply think that must change HD engineers/designers format because some guy off the street doesn't think that it's a good place for rubber mounts
I'm saying there may be a reason it's not already solid.
Do you think they saved money, by using a rubber bushing type mount instead of a solid heim?
 


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