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Thread: 2005 K1200S Clutch fluid

  1. #1
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    2005 K1200S Clutch fluid

    I was planning on flushing out the clutch fluid . What is the " Mineral Oil " that they speak of ? Can I just use DOT 4 brake fluid ? What happens if I do ?

  2. #2
    Liaison 20774's Avatar
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    Past thread that discusses what "mineral oil" is:

    https://forums.bmwmoa.org/showthread...ir-Cap-Removal
    Kurt -- Forum Liaison ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
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  3. #3
    Left Coast Rider
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    Quote Originally Posted by bige1340 View Post
    Can I just use DOT 4 brake fluid ? What happens if I do ?
    1.No.
    2.Bad things

    Mineral oil doesn't absorb moisture which is a plus. Its used because it doesn't have to deal with the heat generated in a braking system. Its also favoured by more than one European bike manufacturer. I don't believe the seals in our clutch hydraulic system are compatible with DOT 4.

    Mineral oil is available from your favourite BMW or KTM store.

  4. #4
    not so retired henzilla's Avatar
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    ditto on the NO DOT 4.

    BMW has two different part numbers for the mineral oil as well. There is a red and a blue. Thinking out loud, the blue was in the parts fiche on the Wedgies. I have both and if any work is done on the circuit,like replacing a broken line, just match what I find. It rarely needs a flush and do not think it is in any maintenance schedule.

    Magura, who makes brake and hydraulic systems sells a red as well at most bicycle shops. Just a FYI...Baby Oil is mineral oil as well...but I would only use it if I was stuck somewhere with a rare leak and the drug store was the only place in my line of vision
    Steve Henson-Mod Team and SABMWRA Prez

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  5. #5
    SURVIVOR akbeemer's Avatar
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    Available on Amazon

    Motorex KTM Mineral Oil Clutch Fluid 75 - 100ml. 575-010
    by Motorex
    $17.20

    https://smile.amazon.com/Motorex-KTM...rVL&ref=plSrch

    Help a guy out when he has a financial set back. Jeff B. could use a little consideration.

    Pretty darn pricey.
    Kevin
    The Outpost, Silver City, Montana
    Team Pterodactyl
    2018 Ural Gear Up, 2017 R1200GSA

  6. #6
    Dot 4 and Mineral are totally incompatible. The wrong one used will absolutely destroy seals and other rubber parts in the system. When DOT 4 is specified the parts are compatible. When Mineral oil is specified the parts are compatible. The use of the other fluid will destroy the system and cost you a thousand or more to fix.
    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
    http://web.bigbend.net/~glaves/

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