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Hayden M6 BT07 Primary Chain Tensioner

  • AJ56
    AJ56
    12 years ago

    I fitted this the other week to my 07 Heritage.  My reason for removing the HD OEM Auto Tensioner was that it was a ratcheting type adjuster, that did not allow for variaions in chain stretch within the Primary.  Secondly once the adjuster did self adjust to take up any slack the chain became to tight once the bike cooled.  After some reading in other forums a lot of riders were concerned about this overy tightened Primary chain that it  would/could place undue stress on the main crank bearing resulting i wear and eventually leaking.

    Hence the fitting of the Hayden. 

    I took the bike for a ride today.  initial response is positive, that the whine that came from the primary is gone.  That side of the motor is conserdably quieter.

    Gear changes are smoother.  ie It does not clunk as much into gear.  The clunk is still there but no where near as pronounced, especially when up shifting.  Gear changes seem more positive aswell. 

    I think it is money well spent myself.  There are reports of the tesioners lasting over 100,000Ks.  Time will tell if I have made a good decision.  On first impressions I have made the right deciion is changing them over.

     

     

    Hayden M6 BT07 suitable for 07 up HD and 06 Dyna's.  Purhased through M7M Cycles $134.00 US deliverd in around 5 days. 

     

     

     

     

  • AJ56
    AJ56
    12 years ago
    I am pretty pleased with it Hilly.
  • AJ56
    AJ56
    12 years ago
    If you got it for an 06 model then I don't think it is the same as the 07 type. I think it is a completely different setup from the 06 to 07 and on.. The only way to be sure is to have a look in a manual as to the type of setup in the primary
  • Will67
    Will67
    12 years ago

     thanks for sharing this info its great we have these options for improving the reliabilty of our machines.

    aj56 did you install yourself and was it an easy job??

  • AJ56
    AJ56
    12 years ago
    Will yeah done it myself. It is an easy job as far as the instructions go, takes a bit of leverage to get the actual setup under the chain. I used a long large flat blade screwdriver to lever into position. Once in you have to measure an area and if required take it out and use the shims that come with the setup. Having said that it is well worth the money as the difference is quite noticeable...

    And yes there is a difference. If you go to the Hayden website it will give the models that each of the types fit. Mine was for 07 and up Twin cams and 06 Dyna's. If Balofski bought one for hi 06 Softail it will be a different type to the one needed.
  • AJ56
    AJ56
    12 years ago
    Hilly yep so far so good. It has settled a bit. I think it is still bedding in as well.
  • sag57
    sag57
    12 years ago
    My unit has just arrived from the states , it cost $105 US plus freight but l bought some other goodies for the shove,l but l think it was $48 freight on its own hence the bloke l deal with said might as well buy some other stuff cause off the high freight cost. Over all it is a quality made, l thought maybe a tad dear but they proberly do small production runs . Will let you know how it went for me when l fit it up
  • sag57
    sag57
    11 years ago
    Well l finally just fitted the Hayden tensioner , as others have said easy to install, probably the only thing l would recommend is to put some never seize on the threads of your primary bolts so as to help prevent galling as l found they were very dry screwing them out. l did not need to fit a shim as l had less than 3/8 between the Teflon block and the steel plate. Once l was underway it was definitely quieter on the upshift , not as much on the down shift but when turning the bike off there was a distinct clunk. l turned it on and off a few times and it was still there. l have emailed Hayden to see what they say but otherwise l will do 1000k and have a look . Apart from this clunk its definitely a quieter shift
  • sag57
    sag57
    11 years ago
    The clunk is the compensator returning to rest when killing the engine, l am thinking that the original factory tensioner had more preload on the chain where the hayden in its design allows the chain more flexability and the compensator less tension. The bikes has only 20 K on it so l doubt if the compensator would be screwed . Any one else have similar noise with the hayden
  • Spero
    Spero
    11 years ago

    Hey Aj,

    How are you finding the Hayden primary chain tensioner after a 8+ months of riding? I was contemplating the Baker Attitude chain adjuster kit but am now leaning towards the Hayden.. Your input would be greatly appreciated!

    Spero..

  • AJ56
    AJ56
    11 years ago
    Well I pulled the primary the other week for another reason , and the hayden had only slight wear from the chain. Overall very happy with the setup, I find it a lot quieter than the normal tensioner, also gear changes are not so clunky as before. As I said it is a pain to put in but worth the effort, and for what it cost well worth the money. If you do get one, start the bike before you put the primary case back on and have a look at the chain when the bike is running, you will be surprised about the variation in tension on the chain due to stretch... (note it is going to throw a bit of oil up so get a piece of cardboard to cover above the primary.

    Aj

    PS sorry for the late reply as I only just found your post..
  • Spero
    Spero
    11 years ago
    Cheers for the feedback AJ, from what I've read in this post and others, I'll definitely be installing the Hayden tensioner very soon.
    Thanks again for taking the time to reply mate, your feedback is very much appreciated!
    Cheers, Spero..