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Automatic Primary Chain Tensioner
Transmission
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Feb 13th, 2008, 11:22 AM
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#1 |
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Start The Engine
Ride: 2007 Dyna Glide Custom
Join Date: Feb 12th, 2008
Location: Dorset UK
Posts: 16
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Automatic Primary Chain Tensioner
HB125 Hydraulic tensioner or the Hayden M6 can't make me mind up? Any of you good people got experience of either? Any problems etc. All advice appreciated ! Thanks 
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Feb 13th, 2008, 12:01 PM
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#2 |
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Start The Engine
Ride: 2007 Dyna Glide Custom
Join Date: Feb 12th, 2008
Location: Dorset UK
Posts: 16
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Re: Automatic Primary Chain Tensioner
Thanks.
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Feb 13th, 2008, 12:15 PM
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#3 |
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Frozen Account
Ride: 07 Road King
Join Date: Jun 21st, 2007
Posts: 25,999
My Mood:
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Re: Automatic Primary Chain Tensioner
The HB 125 is a better unit because it has the hydraulic feature to dampen out the chain whip. The Hayden just uses a spring action with shims.
Take a look here. HB 125 or Hayden Tensioner - Harley Davidson Community |
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Feb 13th, 2008, 12:34 PM
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#4 |
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Start The Engine
Ride: 2007 Dyna Glide Custom
Join Date: Feb 12th, 2008
Location: Dorset UK
Posts: 16
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Re: Automatic Primary Chain Tensioner
Sorry Glider didn't show up in the search I did
 Thanks, good article ! 
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Feb 13th, 2008, 01:29 PM
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#5 |
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Frozen Account
Ride: 07 Road King
Join Date: Jun 21st, 2007
Posts: 25,999
My Mood:
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Re: Automatic Primary Chain Tensioner
Quote: Originally Posted by Robbieroadking
View Post
Sorry Glider didn't show up in the search I did
Thanks, good article !
 I just added it.
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Feb 13th, 2008, 10:21 PM
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#6 |
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Warming The Wheels
Ride: 94 springer soft tail fxsts
Join Date: Dec 1st, 2007
Posts: 53
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Re: Automatic Primary Chain Tensioner
i used the m-6 they have a big problem with the spring wearing out . they break right in half , to light of springs so if you use the m-6 order lots of springs . i
my self went to the automatic chain tensioner that is used on the i beleive the 07 HDs ,part#40063-05A , its a direct bolt in even on my old evo .i cant find my bill but i think its pretty much the same price as the m-6 |
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Feb 13th, 2008, 10:26 PM
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#7 |
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Frozen Account
Ride: 07 Road King
Join Date: Jun 21st, 2007
Posts: 25,999
My Mood:
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Re: Automatic Primary Chain Tensioner
The 07 tensioner works off a spring but also have a ratchet setup that keeps them up close to the chain unlike the M6 that only has the spring as the means of adjustment. Once the 07 tensioner adjusts up, it's held there by the ratchet setup and only a small spring tension is applied .
You can see the ratchet setup in these pics. 07 Primary Chain Tensioner Pics - Harley Davidson Community |
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