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Why on earth do Rotax provide a hose stub 27.2mm diameter on the cast rear coolant manifold but 25.2 mm diameter on the hose connector on the coolant reservoir when you are supposed to connect them with the same diameter hose and clip.   Seems a bit careless to me & haven't seen any SB's on the subject.

  • Re: Rotax 914 & 912? water pipes

    by » 52 minutes ago


    It works. They've been using this for decades and different parts Mfg.. It's no different than some oil and fuel fittings that different aircraft Mfg's use in their Manufacturing when producing their aircraft. Rubber hose has some allowances. I do many rubber changes a year and has never been an issue and everyone else has been doing it too.


    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell


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