Inner Primary Bearing Failure
Thread Starter
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Seasoned HDF Member
Joined: Sep 2008
Posts: 12,578
Likes: 19,791
From: Ramona, Ca
Inner Primary Bearing Failure
at 43,000 miles. Luckily I have ESP....$181.19 in parts, $249.85 for labor. If you have whirling type noises when you downshift....this may be the problem
Road Captain
Joined: Jun 2007
Posts: 512
Likes: 3
From: Washington
Mine went out at less than 10K miles on the clock. At first, I thought it was just the seal so I pulled it apart myself and changed the seal out. When it took out the seal the second time, the part guy told me they had a problem with the bearing and said they'd likely change it under warranty even though I changed it myself. I let them do the second time and they did it all at no charge. Not a drop has fallen since.
Good call Sr. Chief!
Good call Sr. Chief!
Seasoned HDF Member
Joined: Nov 2010
Posts: 17,548
Likes: 7,197
From: Oxford, Nc
I have the 5 speed with a zillion miles on it, all with original bearings. So when I heard about the first inner primary bearing failures on the first 6 speed Dynas in 2006, I wondered what was different to cause that problem. There weren't many/any IPB issues before then.
Just last month I read an article from some writer in a bike mag, and he wondered if the mainshaft "rocks or see saws" inside the 6 speed tranny. The IPB would be the recipient of that he thought.
Then a year or two ago I understand that the MoCo introduced a new stronger IPB and the failures are significantly reduced now.
I wonder if that guy didn't have something there. The problem was the 6 speed design itself, not something inside the primary.
Just last month I read an article from some writer in a bike mag, and he wondered if the mainshaft "rocks or see saws" inside the 6 speed tranny. The IPB would be the recipient of that he thought.
Then a year or two ago I understand that the MoCo introduced a new stronger IPB and the failures are significantly reduced now.
I wonder if that guy didn't have something there. The problem was the 6 speed design itself, not something inside the primary.
Thread Starter
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Seasoned HDF Member
Joined: Sep 2008
Posts: 12,578
Likes: 19,791
From: Ramona, Ca
I asked the service guy what caused it to go,he said it just wore out.....will talk to the service manager and listen to what he says. Basically the service guy said they just fail
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From: Earth
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Joined: Sep 2008
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From: Calgary
Poor castings is what I was told.
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Road Master
Joined: Apr 2009
Posts: 750
Likes: 3
From: 3rd Rock
What year is your bike?.... If it's an '06; you might want to do some searching here on the Forums.... there are some issues. "Finally good news" on my IPB comes to mind.... It's a good read about the "issues".
I had a new '07 tranny case and inner primary case, and new bearings, seals, and bushings installed on mine at the onset of the third IPB failure. All on the MoCo's dime. Had been told by someone in "the know" that several hundred tranny cases had been mis-machined/poorly engineered.
Hope this helps
Best wishes....Tim(HT)
I had a new '07 tranny case and inner primary case, and new bearings, seals, and bushings installed on mine at the onset of the third IPB failure. All on the MoCo's dime. Had been told by someone in "the know" that several hundred tranny cases had been mis-machined/poorly engineered.
Hope this helps
Best wishes....Tim(HT)
Thread Starter
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Seasoned HDF Member
Joined: Sep 2008
Posts: 12,578
Likes: 19,791
From: Ramona, Ca
What year is your bike?.... If it's an '06; you might want to do some searching here on the Forums.... there are some issues. "Finally good news" on my IPB comes to mind.... It's a good read about the "issues".
I had a new '07 tranny case and inner primary case, and new bearings, seals, and bushings installed on mine at the onset of the third IPB failure. All on the MoCo's dime. Had been told by someone in "the know" that several hundred tranny cases had been mis-machined/poorly engineered.
Hope this helps
Best wishes....Tim(HT)
I had a new '07 tranny case and inner primary case, and new bearings, seals, and bushings installed on mine at the onset of the third IPB failure. All on the MoCo's dime. Had been told by someone in "the know" that several hundred tranny cases had been mis-machined/poorly engineered.
Hope this helps
Best wishes....Tim(HT)