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Thread: rotax 912 ul wiring schematic

  1. #1

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    Default rotax 912 ul wiring schematic

    Hello, I recently had South Mississippi Rotax upgrade my 912 ul from a 600 hour tbo to a 1200 tbo. After reinstalling on my kitfox discovered the old (1993) wiring schematic was not correct for new ignition system. Need complete schematic starting from battery. if you can point me in the right direction would appreciate it. thanks!

  2. #2
    Super Moderator Av8r3400's Avatar
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    Default Re: rotax 912 ul wiring schematic

    Rotax Heavy Maintenance Manual

    Download and keep for future reference.

    Go to LINK for the rest of the 912 manuals.
    Av8r3400
    Kitfox Model IV
    The Mangy Fox
    912UL 105hp Zipper
    YouTube Videos

  3. #3

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    Grafton, ND
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    Default Re: rotax 912 ul wiring schematic

    Thanks, i do have the manual. Upgrade included all that wiring on the engine. having trouble figuring wiring from battery to master to both mags to key switch and eventual ground for shutting down engine. Would Kitfox be a source?

  4. #4
    Senior Member Dave S's Avatar
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    Oct 2008
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    Default Re: rotax 912 ul wiring schematic

    Taco,

    That information was in the builder's manual that came along with our kit. Probably kitfox model and engine model specific.

    Should be towards the end of the build manual.
    Dave S
    Kitfox 7 Trigear (Flying since 2009)
    912ULS Warp Drive

    St Paul, MN

  5. #5

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    Default Re: rotax 912 ul wiring schematic

    Dave, my builders manual has the old (1993) schematic but with upgrades in ignition system (on the engine - done) I'm told the wiring for mags, master, key switch needs to be changed to work correctly otherwise will work against new upgraded system on engine. I have no clue on how to do it. Maybe Kitfox people have new classic IV schematic? thanks.

  6. #6
    Senior Member Dave S's Avatar
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    Default Re: rotax 912 ul wiring schematic

    Taco,

    I guess I didn't fully understand the details. I think you are correct that contacting Kitfox will be the best solution.

    Dave
    Dave S
    Kitfox 7 Trigear (Flying since 2009)
    912ULS Warp Drive

    St Paul, MN

  7. #7

    Join Date
    Aug 2018
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    Grafton, ND
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    Default Re: rotax 912 ul wiring schematic

    Dave, will do tomorrow.

  8. #8

    Join Date
    Aug 2018
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    Default Re: rotax 912 ul wiring schematic

    Used old schematic from kit manual and made a few adjustments. Got it!

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