Chain loosening
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Thread: Chain loosening

  1. #1
    Senior Member panagiotis's Avatar
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    Chain loosening

    Hi all,

    Old model '09 Bike is currently at 50k miles and just put a new chain on.
    Might be my imagination and will do a proper test later*
    But has anyone had an issue where the chain loosens alot making me think the pinch bolt isn't clamping down properly.

    Obv I'm using a torque wrench and tightening up to spec (same spec as I have done for 6 yrs)

    *Will measure distance from wheel axle to pivot point ride around and remeasure.

    Hopefully its all in my head

    Thoughts?
    HRC Repsol (my bike now)
    Whiteout (what it started out like)

    PS125, CBF600, Hornet 600, CB1000R
    "its like a hornet on 'roids!"

  2. #2
    Senior Member BigOne-94-14's Avatar
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    It has been a while but I think i had a similar experience when I changed chain and sprockets. Once I'd done a couple or 3k it settled down.
    I put it down to bedding in.

  3. #3
    Senior Member COLVERT's Avatar
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    Chain and sprockets or just the chain ??

    If just the chain then the sprockets can stretch it and shorten its life.---eek
    Personal Disclaimer:
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    Some of what I say may go against your own thoughts and may seem harsh, targeted and malicious.
    This is not my intention – I am simply using my experience, including other peoples, as a way of debating and giving advice - of which there is no guarantee that it's correct

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  5. #4
    Senior Member panagiotis's Avatar
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    No, changed both.
    HRC Repsol (my bike now)
    Whiteout (what it started out like)

    PS125, CBF600, Hornet 600, CB1000R
    "its like a hornet on 'roids!"

  6. #5
    Junior Member Otto's Avatar
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    Quote Originally Posted by panagiotis View Post
    Hi all,

    Old model '09 Bike is currently at 50k miles and just put a new chain on.
    Might be my imagination and will do a proper test later*
    But has anyone had an issue where the chain loosens alot making me think the pinch bolt isn't clamping down properly.



    Obv I'm using a torque wrench and tightening up to spec (same spec as I have done for 6 yrs)

    *Will measure distance from wheel axle to pivot point ride around and remeasure.

    Hopefully its all in my head

    Thoughts?
    Do you spin the wheel after tightening? The chain has some tight and lose spots and I keep having to turn the wheel a few times after tightening.

  7. #6
    Senior Member COLVERT's Avatar
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    Quote Originally Posted by Otto View Post
    Do you spin the wheel after tightening? The chain has some tight and lose spots and I keep having to turn the wheel a few times after tightening.
    As he's fitted a new chain AND sprockets then there shouldn't be any loose or tight spots. The chain might need a small adjustment at the start but should then stay at the same tension for ages unless the rider likes to do wheelies often or makes a practise of having traffic light Grand Prixs with other riders. Lol.

    As for tightening the clamp. It shouldn't need too much pressure and maybe Honda gives a torque figure for it.--
    Personal Disclaimer:
    My thoughts are intended to provide a sounding board for your own.
    Some of what I say may go against your own thoughts and may seem harsh, targeted and malicious.
    This is not my intention – I am simply using my experience, including other peoples, as a way of debating and giving advice - of which there is no guarantee that it's correct

  8. #7
    Senior Member panagiotis's Avatar
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    yeah manual has a torque setting that I use.
    its prob just the new chain stretching as people have said. will keep an eye and measure it once a week (100miles) to see
    HRC Repsol (my bike now)
    Whiteout (what it started out like)

    PS125, CBF600, Hornet 600, CB1000R
    "its like a hornet on 'roids!"

  9. #8
    Senior Member Tifa's Avatar
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    Are you accounting for initial chain stretch?

  10. #9
    Senior Member COLVERT's Avatar
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    Quote Originally Posted by Tifa View Post
    Are you accounting for initial chain stretch?
    It would be interesting to know where you think that stretch occurs.

    Obviously can't be the steel.---


    The first 20 years of my life I spent in precision engineering in a tool room. ( Tool maker. ) Working to tenths of a thou.

    Never found any stretchy steel though. Wear yes, but stretch, no.------Might do if you hung half a dozen cars on it.-----1,000 hp motor bike might do it though too.
    Personal Disclaimer:
    My thoughts are intended to provide a sounding board for your own.
    Some of what I say may go against your own thoughts and may seem harsh, targeted and malicious.
    This is not my intention – I am simply using my experience, including other peoples, as a way of debating and giving advice - of which there is no guarantee that it's correct

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