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Thread: 1993 K75S Telescopic Fork Torque Settings

  1. #1
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    Oct 2007
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    1993 K75S Telescopic Fork Torque Settings

    Which is the correct torque setting for the "locking tube" for a 93 K75S ECE: 65 +/- 5 NM or 45 +/-3 NM?

    I cannot confirm whether I have the 7mm deep Hex nut or the 5mm deep Hex nut.

    The Clymer and Haynes make no mention of the 65NM torque figure, only the BMW manual; I have all three hard copies.
    1993 K75S Mystic Red Pearl
    2007 K1200GT 997 Blue

  2. #2
    Registered User dieselyoda's Avatar
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    Mar 2013
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    Winnipeg, MB, Canada
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    If you aren't sure, there are rules of thumb.

    Tight always works for me. The engineers at BMW aren't so brite as to re-invent torque tables. I can't think in metric but a 1/4" thread is around 12 ft lbs of torque and 5/16" is around 20 ft lbs and 3/8" is close to 30 ft lbs.

    The +/- is usually used for latitude for torque wrenches that haven't been calibrated and doesn't account for lubricated/rusty/non-lubricated threads.

    I had a very expensive experience lately where the manufacturer gave me the torque, set my calibrated torque wrench, looked at the bolt and went, "really, that much?" After I snapped the first two bolts I decided tight was good enough.
    1997 R1100RT (Restored Basket Case) , 1981 KZ 440 LTD (Restored Basket Case)
    1986 K75S(the beutch), 1993 K1100RS (blown engine), 1997 Chev Short Box (4x4 with an LT1)
    "You can easily judge the character of a man by how he treats those who can do nothing for him."

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