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  • Re: Rotax Engine Manufacture Date

    by » 8 years ago


    Thanks Gary,
    That really depends on how it was operated and stored.
    If it has been operated properly and well stored at min you should change the fuel pump if not already done. THe original Pierburg was a great pump but after 20+ years the diaphragm and seals will be suspect.
    You should change the rubber hoses if not already done.

    Internals it is probably OK but check the magnetic plug and oil filter or you can yank a cylinder or borescope to be sure.

    Check the Service bulletins: I ran your serial number and have attached a checksheet.
    That engine had a stator replacement SB; gently separate/expand the shielding around the red wires going to the ignition modules and see what color the insulating sheath is: red is bad and the stator must be replaced. Black is OK.

    I am sure to have missed some items so please chime in....

    Thank you said by: Gary Taylor

  • Re: Rotax Engine Manufacture Date

    by » 8 years ago


    Hi, please send me year of manufacture for serial number 4401830

  • Re: Rotax Engine Manufacture Date

    by » 8 years ago


    4401830 was produced May 5th, 1997

  • Re: Rotax Engine Manufacture Date

    by » 8 years ago


    Please manufacturing date for 5649699

    Thanks

  • Re: Rotax Engine Manufacture Date

    by » 8 years ago


    5649699 (912 ULS) was produced October 9th, 2007

    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
    bent sockets for engine truss
    starter large

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