Winterizing Tips?
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Winterizing Tips?

  1. #1
    Member dopeyest1's Avatar
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    Default Winterizing Tips?

    Well the 1st summer of owning a jet boat is over here in Idaho now (damn what a great summer of fun it was too!). Other then drain the block what other things need to be done before covering boat up and putting her away? Thanks for any tips (now where did I put that damn snow shovel )
    If it's petty, don't sweat it - If it's sweaty, don't pet it

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  3. #2
    Senior Member H20MOFO's Avatar
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    If you do a search there are several winterizing threads. After I drain the block ,I put the plugs back in and dump antifreeze in the thermostat housing until I see "color" run out the pump. I've never got a straight answer as to which antifreeze is the most "anti corrosion" friendly. I assume the green shiat.
    Another Hot Boat refugee

  4. #3
    1 of 3 Stoojz caribbean20's Avatar
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    Here are the specific steps I have done for 19 years storing my boat in cold weather over the winter, works for me. As you can see, I'm kind of big on checklists, keeps it idiotproof.

    • Put gas stabilizer in tanks and fuel system (i.e., run motor after Stabil).
    • Drain block and headers, insert anti-freeze.
    • Change oil. Use a good synthetic like Castrol Syntec.
    • Fog the motor.
    • Seal flame arrestor and exhaust tips with duct tape to prevent condensation in motor.
    • Loosen the brackets on the alternator to give slack to the belt to ensure it does not stretch over lay up.
    • Check batteries and charge if necessary. Unhook batteries or make sure switch is in “Off” position.
    • Remove seat covers and ski locker cover (i.e., just make sure they are ajar) to ensure closed spaces are ventilated during lay-up.
    • Put proper air pressure in trailer tires, including the spare.
    • Make sure trailer brake master cylinder has proper fluid level.
    • Take back to storage and secure the boat cover.
    • Put a garbage bag or some other cover over the trailer hitch and master cylinder, plus the 2 swim steps on the transom, to protect from elements and fading.

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  6. #4
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    That sounds pretty good,didnt think of some of those otems.Texas also gets a we cold.

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    Senior Member Delemorte's Avatar
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    in carolina the winter is so short and we do get some random nice days i just change the oil and pump the block full of AV antifreeze and stabil the gas tanks.


    with such a short winter with some nice days never know when you will want to take her to the lake.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

  8. #6
    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Quote Originally Posted by H20MOFO View Post
    If you do a search there are several winterizing threads. After I drain the block ,I put the plugs back in and dump antifreeze in the thermostat housing until I see "color" run out the pump. I've never got a straight answer as to which antifreeze is the most "anti corrosion" friendly. I assume the green shiat.
    I do the same here, don't let any State LE type folks catch you with green drooling out of the boat on a boat ramp, it's a good sized fine here. The pink stuff works every bit as well.
    "As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
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    The rest of us are being dragged along kicking and screaming.

  9. #7
    Boat Nut sleekcrafter's Avatar
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    Don't forget the pump, grease the thrust bearing, flush the grease cavity in the bowl, with fresh gear lube, so it don't freeze crack from water in the oil cavity. Spray down the entire engine, and exhaust with WD 40, keeps corrosion at bay during lay-up.
    Upper Midwest Power Boat Association
    DRAG BOAT RACING UMPBA #926


  10. #8
    Senior Member hotkona's Avatar
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    Make sure you close the valve comimg off the pump so as you dont lose all of the antifreeze out of it. I put in a plug in Dries the Air unit to help with moisture. If you are running a berk pump, change the bowl oil! Any water inside may do damage.
    In thrust, we trust

  11. #9
    1 of 3 Stoojz caribbean20's Avatar
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    Quote Originally Posted by hotkona View Post
    Make sure you close the valve comimg off the pump so as you dont lose all of the antifreeze out of it. I put in a plug in Dries the Air unit to help with moisture. If you are running a berk pump, change the bowl oil! Any water inside may do damage.
    OK flush the pump, there is another one for the checklist. i have replaced a couple of those over the years due to cracks, may have been due to freezing, or just abuse, never know

  12. #10
    Super Moderator HammerDown's Avatar
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    With the above...
    WD40 or fog the engine till it chokes down.
    I always... back off the valve adjustment to close valves and relax the valvetrain.
    I always...spray the entire engine/headers with WD40...keeps moisture off and looks great after its winter shutdown.

    I always... Pre-lube the engine with spark plugs out, and hand turn the crank prior to starting too.


    Tip...a few open boxes of Moth Balls will keep the little rodents from living inside
    <img src=http://www.performanceboats.com/gallery/data/500/medium/06-30-11_1234.jpg border=0 alt= />

  13. #11
    two strokes is enough
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    down here we just keep boating works pretty good for out winterizing haha

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