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alanhTue Nov-30-04 10:20 PM

  
"new vibrations"


  

          

I have a 75 mkIII with about 32000 miles. I'm now getting a chainy sound from the primary case while the motor is decellerating below about 3000 rpm. Is this chain whip or resonance thats mentioned in some earlier posts?

I'm considering a new triplex chain and/or adjusters. Any help troubleshooting would be appreciated.

thanks
alan

  

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MichaelBWed Dec-01-04 09:03 AM
Member since Mar 18th 2009
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#1. "RE: new vibrations"
In response to Reply # 0


  

          

Do you get a clackety clack at off idle acceleration?

Mike

  

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alanhWed Dec-01-04 04:41 PM

  
#2. "RE: new vibrations"
In response to Reply # 1


  

          

no not that I've noticed.
alan

  

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MichaelBWed Dec-01-04 05:49 PM
Member since Mar 18th 2009
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#3. "RE: new vibrations"
In response to Reply # 2


  

          

The clackety clack off idle happens when the hydraulic tensioners pump up. Since yours doesn't make the noise, the tensioners can be assumed to be working properly.
I am not familiar with the chainy noise you describe.
There are numorous gears in there along with a sprag.
Does your E-start work?
I would definitely tear down the primary and have a look.

Mike

  

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but I am tprWed Dec-15-04 06:55 PM

  
#4. "RE: new vibrations"
In response to Reply # 0


  

          

Alanh,

Make sure the noise isn't coming from a slack rear chain!

Cheers!

  

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