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Thread: Noise

  1. #1
    AttackPug
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    Noise

    Ok so I leave my GT on the side stand when parked. When I start it to warm it up it makes a noise like a bag of ball bearings........I love the bike but......I'm thinking of an RT maybe ?

  2. #2
    not so retired henzilla's Avatar
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    If it were an 05/06 I would say cam chain tensioner on right side of engine...Helen's 05 K12S sounded like there was a sack of ball bearings bouncing around upon cold startup. She had no choice but to park on sidestand as it has no centerstand, not sure if it would change anything.
    Upgraded to the "new style" tensioner and it quit.
    Not sure about the 09's
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

  3. #3
    Honey Badger Semper_Fi's Avatar
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    I had had my 09 start like that but i think it has done that maybe 2 times, I predominately part on the centerstand.
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  4. #4
    AttackPug
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    Sidestand, centerstand mine does it , in 3 of 5 starts I'll keep it till the warranty is up it may grenade by then

  5. #5
    not so retired henzilla's Avatar
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    Quote Originally Posted by AttackPug View Post
    Sidestand, centerstand mine does it , in 3 of 5 starts I'll keep it till the warranty is up it may grenade by then
    curious as to what viscosity oil are you using?
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

  6. #6
    AttackPug
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    5/40 or 10/40

  7. #7
    RSPENNACHIO
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    What if you put loud pipes on? You wouldn't hear that noise anymore.



    Sorry I couldn't resist

  8. #8
    not so retired henzilla's Avatar
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    Quote Originally Posted by AttackPug View Post
    5/40 or 10/40
    That's the right weight, was thinking oil too thick to pump the tensioner up...The upgrade tensioner on the '05 is a tall cylinder instead of a flat plate located on the right side of engine near the cylinders. Have not looked at the newer models to see if that is the standard tensioner now.The sound you descibed still sounds like cam chain slapping the valve cover until the tensioner is pumped up.
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

  9. #9
    Rally Rat
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    I have an '05 that does this as well, should I be concerned? Was there a recall that you are mentioning a new style tensioner?

  10. #10
    Benchwrenching PGlaves's Avatar
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    Cold? Hot? No difference?

    For how long?

    Probably it needs the cam chain tensioner upgrade - maybe. But it is never a good idea to guess about and then ignore harsh metallic sounds.
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell
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  11. #11
    Rally Rat
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    Just on cold start up for maybe 5-10 seconds.

  12. #12
    not so retired henzilla's Avatar
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    I believe there is a service bulletin floating around...one of those issues like the clutch judder the early models had that they fix if you complain a lot about it issues...sadly. But when you drive your bike to the dealer it's warmed up and will not repeat, you know that drill. Her's was out of warranty as mine is by years and miles. Both ours were bought used.

    I had read about it on the K Bike forum some time back and Helen got tired of the rattle so I fixed hers. Mine hasn't started rattling yet, I have less miles than she did ( which was 36K when I fixed hers).

    the part number is 11317717287 and runs around $125. Took less than an hour as I had all the plastic off for a 36K service anyways


    The old on left, the new stack on right. The plunger on the right is upside down in orientation


    The old plate shown on engine


    the old spring and plunger visible after plate removed, just pulled it out with needlenose pliers

    the new tensioner in place awaiting bolts to hold the spring tension


    End result is no noise like the sack of rocks in the valve cover when started now.

    There ARE a few horror stories about the true culprit is a faulty camshaft by the way it was cast instead or forged or the type of alloy used in the unit...hope that one stays away from our two bikes. The two I read about were non US bikes...not sure if that makes any difference.
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

  13. #13
    not so retired henzilla's Avatar
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    Quote Originally Posted by PGlaves View Post
    Cold? Hot? No difference?

    For how long?

    Probably it needs the cam chain tensioner upgrade - maybe. But it is never a good idea to guess about and then ignore harsh metallic sounds.
    Helen's was first start of the day, unless it sat for some time and the oil leaked down from tensioner I assume. Really loud rattling chain slap against the valve cover for maybe 3-4 seconds...seems like eternity
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

  14. #14
    I'd rather be riding... spanky's Avatar
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    Quote Originally Posted by henzilla View Post
    ........

    End result is no noise like the sack of rocks in the valve cover when started now.

    There ARE a few horror stories about the true culprit is a faulty camshaft by the way it was cast instead or forged or the type of alloy used in the unit...hope that one stays away from our two bikes. The two I read about were non US bikes...not sure if that makes any difference.
    Thanks VERY much for the informative post w/pics! I spoke to BMW of Denver about this last fall and was told that they recommend going in and replacing the chain and cam sprockets. Total cost of approximately $900. Their stance is that the chain may be stretched from the wild rattling and that alone may cause it to jump some teeth on the sprocket. The end result is a near demolition of the engine's top end and maybe the pistons.

    I'm sitting at about 13K on the odo and have been wondering whether or not I should have it done. Some say to just keep riding, some (I think) exaggerate the rare occasion where someone suffers a catastrohic failure. Add to that the tone dealers take when you approach them with the intro "I read about this on the internet...."

    Regardless, I'd like to see some more input.
    Regards,
    Randy
    '99 R1100R & '02 RT
    '06 K12s bumblebee

  15. #15
    not so retired henzilla's Avatar
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    Quote Originally Posted by spanky View Post
    I'm sitting at about 13K on the odo and have been wondering whether or not I should have it done. Some say to just keep riding, some (I think) exaggerate the rare occasion where someone suffers a catastrohic failure. Add to that the tone dealers take when you approach them with the intro "I read about this on the internet...."

    Regardless, I'd like to see some more input.
    I was concerned about a skip condition and jumping a tooth or two on the cam gear as well...which could lead to top end disaster you mentioned. It is a simple install and was worth the $125 part cost for some peace of mind. If you read the K-Bike forum, it's gloom & doom from a few bad cases and I think it gets blown out of proportion as a lot of Internet info does like you also mention. If you own one of the broken ones, sorry!
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

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