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Chain adjustment question

  1. #1
    A.D.D or too much coffee?
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    Oct 2002
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    Chain adjustment question


    OK, I have adjusted the chain a bunch of times but wasn't sure if I did it right. I have a 2001 CBR929 and I do the adjustment on the rear race stand to the measurement in the book. I measure the slack in the chain by how much I can take the slack out towards the swing arm. I hope I am making this clear, I am pushing the chain up to the swingarm while measuring the slack in the chain. Is this the correct way? Does the bike need to have weight on it? What are your thoughts?
    Thanks,
    Danny

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    Ahhh, Dukey Wookey hurt his wittle hand, I'm the king of this gang now!

    2001CBR 929RR
    Lightly customized

  2. #2
    Dic on
    Join Date
    Aug 2001
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    Chain adjustment question

    Sounds about right. Err on the side of looseness if anything. I run my racebike chain way loose. You should adjust the chain with a person on the bike to give about 1" TOTAL deflection (1/2 inch each way).

    Derek

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    "Too bad ponies are assholes."

    OXX

  3. #3
    guy on the vintage Yamaha Rice-rocket1's Avatar
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    May 2002
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    Chain adjustment question

    Degs, the measurement be taken from the tightest section, am I right in thinking that??
    And if you can pull the chain away from the rear sprocket (straight back) more than about 1/3 the tooth then start thinking about new chain and sprockets.

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  4. #4
    A.D.D or too much coffee?
    Join Date
    Oct 2002
    Location
    Johnstown, NY
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    Chain adjustment question

    Hey Degs,
    Where on the bike do you measure the chain? Do you have a person sit on the bike when it is on the race stand?

    Danny

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    Ahhh, Dukey Wookey hurt his wittle hand, I'm the king of this gang now!

    2001CBR 929RR
    Lightly customized

  5. #5
    Dic on
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    Aug 2001
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    Chain adjustment question

    No, have someone sit on the bike OFF the stand. measure the slack halfway between countershaft cenetr point and rear wheel centerpoint, on the bottom section of chain.

    Derek

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    "Too bad ponies are assholes."

    OXX

  6. #6
    ....................... PinHead's Avatar
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    Jun 2001
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    5,059

    Chain adjustment question

    The proper place to take your measure is usually a few inches down the swingarm from the piviot area, behind your foot peg a bit.
    Dont make the chain too tight or you are just causing the chain to stretch and wear out your sprockets way too fast.

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