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Voltage Regulator
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    • Part # 1231286
      Voltage Regulator

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    • $89.95

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      Caution! Our Voltage Regulator does not fit all bike models. Please select your bike if you are not sure.
      Warning! Important information below in the description.

       

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    Description Reviews Bike Fitment

    Description


    Voltage Regulator

    OEM replacement voltage regulator with brushes. This part is at the back of the alternator and quite easy to replace. This is a part that fails quite frequently on K75 and K100 models. Over time, the brushes simply wear down. As the brushes wear, the spring tension decreases and the connection to the alternator armature diminishes. The end result is that you charging system will fail. Made in Germany.


    Equivalent to the BMW part number 12 31 1 459 286 (12311459286)


    Please Note: Exceptions to model/year fitment

    K1100 LT up to 09/1992



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    Bike Fitment


    K75

    1985 · 1986 · 1987 · 1988 · 1989 · 1990 · 1991 · 1992 · 1993

    K75 RT

    1989 · 1990 · 1991 · 1992 · 1993

    K75 S

    1985 · 1986 · 1987 · 1988 · 1989 · 1990 · 1991 · 1992 · 1993

    K100

    1983 · 1984 · 1985 · 1986 · 1987 · 1988 · 1989 · 1990

    K100 LT

    1986 · 1987 · 1988 · 1989 · 1990 · 1991 · 1992

    K1

    1988 · 1989 · 1990 · 1991 · 1992 · 1993

    K100 RS

    1983 · 1984 · 1985 · 1986 · 1987 · 1988 · 1989 · 1990 · 1991 · 1992

    K100 RT

    1984 · 1985 · 1986 · 1987 · 1988 · 1989

    K1100 LT

    1991 · 1992 · 1993

    K1100 RS

    1992 · 1993

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