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Hi. It´s time do to 5 years replacement hoses.

Can anyone tell me the external and internal diameter of the coolant hoses.

Also how many meters necessary to replace?

Thanks

  • Re: Coolant hoses replacement

    by » 5 months ago


    It is 17mm ID Hose, 3.5mm Wall, 24mm OD.

    It used to be as scarce as Hen's Teeth but the Service Centers now carry it.

    5/8" is too small and 3/4" is too large.

    It "Ain't " Cheap!!! ... Just bite the bullet.

    2 meters will be more than enough.


    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Bill.Hertzel@Yahoo.com
    Clicking the "Thank You" is Always Appreciated.


    Thank you said by: RotaxOwner Admin, Andrew Dunning, WmInce

  • Re: Coolant hoses replacement

    by » 5 months ago


    I had a dumb question, but I figured it out already  :)


  • Re: Coolant hoses replacement

    by » 5 months ago


    Thanks Bill!

    Right off hand, do you know the manufacturer?


    Bill Ince
    CTSW (E-LSA)
    Retired Heavy Equipment Operator


  • Re: Coolant hoses replacement

    by » 5 months ago


    A piece of Hose I found in my spares is marked...

    WURTH-C-DIN 73379-1-17x3,5-3E-08/15/41-0146 >FPM/AR/ECO<

    Parker DIN 73411-17/70 appears to be equivalent.

    Any quality brand of Radiator Hose will do the job.

    The hard part is finding it with the 17mm ID dimension and not having to buy the whole spool.


    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Bill.Hertzel@Yahoo.com
    Clicking the "Thank You" is Always Appreciated.


    Thank you said by: RotaxOwner Admin, Slavo Rodi

  • Re: Coolant hoses replacement

    by » 5 months ago


    Bill Hertzel wrote:

    A piece of Hose I found in my spares is marked...

    WURTH-C-DIN 73379-1-17x3,5-3E-08/15/41-0146 >FPM/AR/ECO<

    Parker DIN 73411-17/70 appears to be equivalent.

    Any quality brand of Radiator Hose will do the job.

    The hard part is finding it with the 17mm ID dimension and not having to buy the whole spool.

    Thank you, Bill. Very helpful.smile


    Bill Ince
    CTSW (E-LSA)
    Retired Heavy Equipment Operator


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