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Thread: Wheel balancing - dynamic balancing weights

  1. #91
    Join Date
    Jan 2011
    Location
    uk
    Posts
    850
    Quote Originally Posted by Mjolinor View Post
    Well what a shock !!!



    As an aside here is a big end knock for you. I was having so much fun, I guess the red line means what it says on these bikes.
    https://www.youtube.com/watch?v=9Ekj...ature=youtu.be


    Sounds like a Kango
    You're so money supermarket and you don't even know it!

  2. #92
    Join Date
    Mar 2012
    Location
    Burnley
    Posts
    1,383
    The really sad thing is that I put it back together this afternoon with new big ends and some better con rods and it still sounds the same.

    Back to the drawing board.

  3. #93
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,304
    Would the very clever BBs sort it?
    Drives a Smart Cdi - 65 to 85 MPG

  4. #94
    Join Date
    Mar 2012
    Location
    Burnley
    Posts
    1,383
    Probably, in the right place but finding where they are needed is proving difficult.

    You would think that an engine design that reaches its hundredth birthday in 2021 and that has been in the current form since the late 1950s would have suffered every knock shake rattle and buzz that it could possibly make but everywhere I ask this knock is a new one.

  5. #95
    Join Date
    Jan 2015
    Location
    Devon
    Posts
    57
    Did you check big end clearance (e.g. plastigauge)? Perhaps you have a reground crank and standard size bearings...

  6. #96
    Join Date
    Mar 2012
    Location
    Burnley
    Posts
    1,383
    Took STD out and put STD in. Didn't bother measuring the crank, that is not so easy to do.

    It ran fine until I red lined it anyway so STD must have been correct.

  7. #97
    Join Date
    Apr 2009
    Location
    Ecosse
    Posts
    3,607
    Stretched big end bolts?

  8. #98
    Join Date
    Jan 2011
    Location
    uk
    Posts
    850
    Hmmmm..... that sort of sudden flat sound at 16seconds .......



    Does it still have full power ?
    You're so money supermarket and you don't even know it!

  9. #99
    Join Date
    Feb 2011
    Location
    Lewes
    Posts
    714
    broken crank shaft?
    broken push rods?
    broken cam shaft?
    broken flywheel bolts?

    Definitely sounds like a full engine strip down is required.

    John

  10. #100
    Join Date
    Mar 2012
    Location
    Burnley
    Posts
    1,383
    Quote Originally Posted by Heinkeljb View Post
    broken crank shaft?
    broken push rods?
    broken cam shaft?
    broken flywheel bolts?

    Definitely sounds like a full engine strip down is required.

    John
    no been there
    no been there
    no been there
    possibly, tomorrows job.

    New big end bolts.

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