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Front motor mount

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Old Aug 25, 2007 | 04:22 PM
  #1  
BFMC's Avatar
BFMC
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Default Front motor mount

Just installed a new front bottom motor mount on my 04 Road King. Had vibration at around 45 miles per hour. After the installation of the motor mount I now notice a completely different vibration while going through 1st, 2nd, and 3rd. Seems as though it either stops or lets up after going into 4th gear. I installed the motor mount flat side up as instructed. Anyone have any ideas asto why I now have a different and worst vibration. Dealer stated that it would go away as this is a new type motor mount, but can't aways believe what they say.

 
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Old Aug 25, 2007 | 04:53 PM
  #2  
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Biggzed
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Default RE: Front motor mount

Any chance when you replaced the mount something shifted and you are slightly out of alignment now? Is anything (ie. exhaust, clutch cable pinched, etc) rubbing the frame or floorboards? Sounds like it could be an elusive one to track down. Tires in good shape?

Good luck, sorry I couldn't be more definitive with my advice.

BTW - If your screen name means what I think it does, I've got family that are bro's of yours. I'm heading to Ft Bragg next weekend to hang out with them at Wino's beach.
 
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Old Aug 25, 2007 | 05:02 PM
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Default RE: Front motor mount

I had the same thing, dealer said I should replace frt mount with a new one made in China, well I did and the bike shook so bad you could not believe it so I put the old one back in and all is well. Returned the new one to dealer and they never heard of such a thing.
 
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Old Aug 25, 2007 | 05:56 PM
  #4  
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HammerheadC4
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Default RE: Front motor mount

I just installed a new frontlower engine mount on my 06 RK.
I get a little more vibration at idle, but when I'm underway it's pretty smooth.
 
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Old Aug 26, 2007 | 01:54 AM
  #5  
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From: Indy area
Default RE: Front motor mount

ORIGINAL: Biggzed

Any chance when you replaced the mount something shifted and you are slightly out of alignment now? Is anything (ie. exhaust, clutch cable pinched, etc) rubbing the frame or floorboards?
One of the first things I'd look for is the mount being fastened with tension one way or the other against its associated engine-to-frame link. Probably the best way to ensure that's not the case would be to loosen the center bolt in the mount, orient the bike vertically and fire it up. Then re-tighten the bolt. Maybe with the engine still running, or not, would be better...

It should be mentioned that the bottom-protruding part of the mount should be centered in its frame crossmember hole as much as possible.
 
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Old Aug 26, 2007 | 08:06 AM
  #6  
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Default RE: Front motor mount

How often would motor mounts need to be replaaced... is there a particular service life to them?
 
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Old Aug 26, 2007 | 09:22 AM
  #7  
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From: Houston Texas
Default RE: Front motor mount

ORIGINAL: scooty

I had the same thing, dealer said I should replace frt mount with a new one made in China, well I did and the bike shook so bad you could not believe it so I put the old one back in and all is well. Returned the new one to dealer and they never heard of such a thing.
That's because they had earplugs in there ears...
 
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