How do you fog a 4-stroke with EFI?

  • rvvrrat
    The Sand Prairie
    Posts: 1840
    October 17, 2007 at 6:11 pm #1235777

    How do you fog a 4-stroke with EFI? There is not a carb to take off or air intakes that are obvious.

    jjsherm
    Posts: 59
    October 17, 2007 at 7:11 pm #617480

    I just went through this with my MERC 25 efi/4 stk.
    My MANUAL says, put the winter fuel stabilizer (sta-bil etc.) in your gas tank, run the motor for ten minutes, disconnect tank then take out plugs, squirt some oil in cylinders and turn over engine a couple of times and you are done. (make sure you put plugs back in).
    j

    bigcrappie
    Blaine
    Posts: 4330
    October 17, 2007 at 9:13 pm #617503

    Mine has a little hole in the intake that it says to spray into with the motor running. Or spray it right into the air intake.

    Castaway
    Otsego,MN
    Posts: 1573
    October 18, 2007 at 2:19 am #617570

    There is really no need to fog a 4 stroke.

    Bob Carlson
    Mille Lacs Lake (eastside), Mn.
    Posts: 2936
    October 18, 2007 at 10:58 am #617606

    I add the fuel stabilizer to the full gas tank and run it awhile. I will also change my engine and lower unit oil at this time. Just park it for use in the spring….starts up just like a new one!!!

    Love it!!!

    rvvrrat
    The Sand Prairie
    Posts: 1840
    October 18, 2007 at 2:22 pm #617686

    Thanks for the info guys. I have a Yamaha-50 and the manual says to fog the engine in the “Prep for Storage” section. I already did the Stabil, engine oil, and lower unit oil. From the resposes I am still up in the air about fogging. Guess it is time to call the dealer.

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