In reading thru the new SI-912-032 it refers to carburetor part no. and carburetor S/N. Where do I find these numbers on my carburetors, and do I need to remove the carburetor to read them? Is there a way to get them if I know my engine S/N?
  • Re: 912uls Carburetor Part #

    by » 7 months ago


    No answers for this?

  • Re: 912uls Carburetor Part #

    by » 7 months ago


    Carb serials are stamped on the side of the carb.



    Note: not all carbs actually have a serial number stamp (some of the earlier ones did not)

    If your engine is fairly RECENT, (~ last ten years or so) I can look up the carb serial numbers in the factory database, cross-referenced on your engine serial number. ( That's assuming your engine still has the original factory carbs).
    20190225_164811.jpg (You do not have access to download this file.)

  • Re: 912uls Carburetor Part #

    by » 7 months ago


    Thank you for the reply. My 912uls is about 6 years old, S/N 6779693 and the carbs are original factory. I would appreciate if you would cross-reference my engine S/N to the carb S/N. Access to read the carb numbers is difficult.

  • Re: 912uls Carburetor Part #

    by » 7 months ago


    6779693 was produced 27-Jan-2012

    Engine Type: ROTAX 912 ULS
    Engine Version: 912 ULS2
    Model Number: 309120110

    Original Factory Configuration:
    with fuel lines
    UL2 I=2,43 with clutch
    without vacuum pump
    with green valve covers
    without mech. tachom. pick up
    without external generator
    without air guide baffle
    with std. temperatur sensors
    with screw connection UNF
    with expansion tank
    without air box
    without engine truss
    starter large


    The original carb serial numbers are listed as
    11.6019
    11.5775

  • Re: 912uls Carburetor Part #

    by » 7 months ago


    Thank you.
    Curious-what connection is listed as: "with screw connection UNF"
    I thought all threads were metric?

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