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Thread: 1993 K75S Telescopic Fork Torque Settings

  1. #1
    Registered User
    Join Date
    Oct 2007

    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
    Join Date
    Mar 2013
    Winnipeg, MB, Canada

    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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