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Thread: clanking on cold start

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  1. #1
    poosu
    Join Date
    Mar 2011
    Location
    Port Orange, Fl
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    16

    clanking on cold start

    In the past month my 1999 R1100RS has started a soft but very noticable clanking on cold starts which goes away in about 30 seconds. The colder the louder and longer it lasts, but it's never more than maybe 45 seconds. It seems like once the oil gets flowing all is well and stays good the rest of the day. Here in florida it never gets below 40 in the garage so it's not really cold. I tried a search but didn't find anything.
    poosu

  2. #2
    All-round Motorcyclist MarkM's Avatar
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    Dec 2010
    Location
    St. Louis
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    463
    The 30 second part is similar to what the factory original timing chain tensioner sound does. Have you upgraded the tensioner?

    Here is the upgrade part and a little info about it.
    http://rubberchickenracinggarage.com/chain.html
    http://www.mklsportster.com/Articles/mcncct.pdf
    Mark M, St. Louis, '95 R1100RS, '01 Super Sherpa
    There are two roads in life; the twisty one is vastly more fun.

  3. #3
    Registered User roger 04 rt's Avatar
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    +1

    What oil do you use?

  4. #4
    Day Dreaming ... happy wanderer's Avatar
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    Vancouver, B.C. Canada
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    Excellent step by step replacement guide here: http://advwisdom.hogranch.com/Wisdom...ionerSwap.html

    To check if you have the upgraded Tensioner is simple. If the bolt head on it is 15mm it's a new one. If it's the original one the bolt head is 17mm. Measuring it with an open end wrench is quick and easy.
    MJM - BeeCeeBeemers Motorcycle Club Vancouver B.C.
    '81 R80G/S, '82 R100RS, '00 R1100RT

  5. #5
    poosu
    Join Date
    Mar 2011
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    Port Orange, Fl
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    I currently am using Castrol 20-50 full synthetic oil. I was unaware of the timing chain tenisioner issue and am almost certain I do not have the replacement. I bought the bike used in 2006 with 10,000 miles on it. The previous owner said nothing about upgrading the tensioner. I'll get one on order. Thanks for your help

  6. #6
    Registered User roger 04 rt's Avatar
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    Oct 2011
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    Quote Originally Posted by poosu View Post
    I currently am using Castrol 20-50 full synthetic oil. I was unaware of the timing chain tenisioner issue and am almost certain I do not have the replacement. I bought the bike used in 2006 with 10,000 miles on it. The previous owner said nothing about upgrading the tensioner. I'll get one on order. Thanks for your help
    You might think of trying Mobil 1 10W40 for the winter.
    Last edited by Roger 04 RT; 02-21-2013 at 03:40 PM.

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