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Author Topic: Primary rattling noise?  (Read 12107 times)

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mjb765

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Re: Primary rattling noise?
« Reply #15 on: September 08, 2009, 04:06:28 PM »
I'm obviously out numbered on this one, but couldn't the wrong or oil too thin cause this as well?  Heat would make the oil thinner thus causing more noise :confused5: :confused5:
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grc

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Re: Primary rattling noise?
« Reply #16 on: September 08, 2009, 10:00:43 PM »

I don't know that I agree with the idea that the chain develops more slack when it gets hotter.  Prior to the addition of the auto adjuster, the specs for chain free play were 5/8-7/8" cold, 3/8-5/8" when hot.  As you can see, the free play decreases when hot, by approximately 1/4", on the older models.  I don't know of any reason why that would change with the current models.

Noise disappears when the clutch is disengaged, and returns when the clutch is engaged.  Sounds like either a clutch noise or a trans noise (trans input shaft and gears turn when clutch is engaged, even in neutral).  Maybe a little excessive shaft end play that shows up when up to full temp?

Jerry
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Rooster

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Re: Primary rattling noise?
« Reply #17 on: September 09, 2009, 11:02:40 AM »
While inspecting the damage to inner primary bearings tech pointed out a very small nick where he said primary chain was a little loose at one time but had been adjusted. I to thought the auto adjuster took care of adjusting especially since the moco took away the inspection door now you have to replace an expensive outer primary gasket to check. I for one miss that inspection access.
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Hoist!

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Re: Primary rattling noise?
« Reply #18 on: September 09, 2009, 11:44:24 AM »
Quote from: Rooster on September 09, 2009, 11:02:40 AM
While inspecting the damage to inner primary bearings tech pointed out a very small nick where he said primary chain was a little loose at one time but had been adjusted. I to thought the auto adjuster took care of adjusting especially since the moco took away the inspection door now you have to replace an expensive outer primary gasket to check. I for one miss that inspection access.

You can't adjust the auto-tensioner assembly at the inspection cover location like the old manual adjusters. You'd be able to check the chain tension itself, but you can't get to the tensioner. The cover needs to be removed for that. ;)

Hoist! :coolblue:
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bigmuff

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Re: Primary rattling noise?
« Reply #19 on: September 12, 2009, 11:26:45 AM »
Dealer says "noise is normal".  I told them "no way.  Fix it and don't feed me corporate bs".
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Rooster

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Re: Primary rattling noise?
« Reply #20 on: September 12, 2009, 11:29:29 AM »
Quote from: Hoist! on September 09, 2009, 11:44:24 AM
You can't adjust the auto-tensioner assembly at the inspection cover location like the old manual adjusters. You'd be able to check the chain tension itself, but you can't get to the tensioner. The cover needs to be removed for that. ;)

Hoist! :coolblue:
To bad the outer primary gasket can't be reused.
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Twolanerider

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Re: Primary rattling noise?
« Reply #21 on: September 12, 2009, 11:34:08 AM »
Quote from: Rooster on September 12, 2009, 11:29:29 AM
To bad the outer primary gasket can't be reused.


Well.......   There's a difference between not supposed to and can't.  More than once have done so.  Couple of times it's seeped.  But only a couple.  Actually a pretty fair batting average when considering the wager is a two or three dollar quart of ATF versus a $32+ gasket.
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Rooster

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Re: Primary rattling noise?
« Reply #22 on: September 12, 2009, 11:46:32 AM »
All the gaskets should be reuseable since us test pilots have to keep taking things apart and fixin things. Actually zippers would be really nice. :huepfenlol2:
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Twolanerider

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Re: Primary rattling noise?
« Reply #23 on: September 12, 2009, 11:51:18 AM »
Quote from: Rooster on September 12, 2009, 11:46:32 AM
All the gaskets should be reuseable since us test pilots have to keep taking things apart and fixin things. Actually zippers would be really nice. :huepfenlol2:


That's something I'd not do to someone else's bike.  But when the damned primary gaskets go so expensive and since I could roll it back in the garage and change it so quickly if need be I have occasionally given that one a shot at reuse.
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hdbrad03

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Re: Primary rattling noise?
« Reply #24 on: September 12, 2009, 05:45:02 PM »
I've reused mine more than once and has never leaked.

 :bananarock: :bananarock:
     Brad
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bigmuff

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Re: Primary rattling noise?
« Reply #25 on: September 23, 2009, 09:59:03 PM »
Well, put new pipes and a Super Tuner on it.  Changed the tranny oil and the sound is now all but gone.  It was definitely a temperature issue but also I think a combination of transmission oil and break-in.  As I've been riding it the noise is getting less and less.  Today was the hottest it has been in a while and even after a hard ride it wasn't doing it.

Now I just need to quiet the valve train down.  Anyone else try those travel-limiting tappets?  Do the tapered pushrods help?
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mjb765

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Re: Primary rattling noise?
« Reply #26 on: September 23, 2009, 10:02:13 PM »
Quote from: bigmuff on September 23, 2009, 09:59:03 PM
Well, put new pipes and a Super Tuner on it.  Changed the tranny oil and the sound is now all but gone.  It was definitely a temperature issue but also I think a combination of transmission oil and break-in.  As I've been riding it the noise is getting less and less.  Today was the hottest it has been in a while and even after a hard ride it wasn't doing it.

Now I just need to quiet the valve train down.  Anyone else try those travel-limiting tappets?  Do the tapered pushrods help?

Let me know if you have luck quieting the valve train....I don't always want to use the radio, but that noise is killing me!!
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StreetDog

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Re: Primary rattling noise?
« Reply #27 on: October 10, 2009, 06:53:34 PM »
 The one I looked at and heard run the other day had no distinctive top end valve train noise ( quite compared to my 07' SERK) , it did have the typical motor noises thou. But I was surprised not to hear top end valve noise. Almost made me buy that one instand of waiting on the right color. I wonder if some make that valve train noise and some don't depending on how they were assembled.
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