How To Winterize A Yamaha Jet Boat
- #5
1 of the major advantages of Yamaha jet boats over other comparable and competitive brands is that there is nigh ZERO winterization, for Yamaha jet boats. If you're being told anything else, ....well ........ you'll figger it out. If I was not "clear," please let me to say this some other manner:
Goose egg WINTERZATION !
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- #eight
I had an SX190. Last two winters were harsh. I did iv things.
ane. Engine fogging
2. Water out of engine
three. Marine stabil in full tank
4. Added RV anti-freeze.
The above are my processes I wanted to perform. I am not recommending nor volition I debate if whatever of them are needed or not.
- #9
Blow the water out of engine only past giving some throttle with the engine on and boat out of the water and no water hose continued.. simply for a few seconds is all that is needed. I also add fuel stabilizer on my last run so it is well mixed and all through the gas lines before I shut it down,, that's all I practice. I live in Minnesota with 20 below temps in the winter. If it doesn't freeze in that than information technology never volition. There is much debate on fogging the engine, and also debate on irresolute oil.. I change my oil in the spring only and no fogging.
- #10
Im actually still under the impression that I wont stop using my boat throughout the yr. 
(starting time year owning it) (first twelvemonth living in GA)
We had 60*+ days hither in December - February and I recollect I'd enjoy a squeamish cruise on the water only because I tin. Is there anything I SHOULD practice for stretches of not-use of say 30 days or so? I always use Marine Stabil, the boat stays in a garage, and fifty-fifty though nosotros practise see some freezing warnings, they are rarely deep freezes. Advice welcome.
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- #11
It is probably over impale, just here is my process. Maybe I volition do a write up this year when I practice mine. Total of fuel, then treat with marine STABIL. I really hook my flush kit up and run RV antifreeze through the engine. Usually merely takes half a gallon or so before the water running out turns pink. I splash whats left of the RV antifreeze down the bilge and scupper. I will bike the bilge pump on until it spits pink out. Then fog the supercharger and engine til the motor bogs and dies. Pull the plugs out and shoot some fogger down the spark plug holes and reinstall the plugs. Give it a goooood cleaning. Pull the battery out and then I tin can keep it on the tender throughout the winter. I record over the pee holes, bilge hole, and frazzle openings with painters tape to keep critters out. And so cover it and park in my spot. Hit the wheel bearings on the trailer once again so they don't rust. Shoot some silicon spray on the hitch and brake mechanism. So pray for a short winter!
- #12
This is what I do:
Fill the gas tank to nigh full leaving a petty room for expansion
Add together marine stabilizer.
Oil changes
RV antifreeze
Fog
Lubricate all grease points
Thorough cleaning
Place a few open boxes of baking soda around to absorb moisture
Prop open all compartments and seats to allow everything to breath
Wintertime cover
Is information technology all required? Maybe non but it's super cheap insurance and I have seen pwc with croaky engine blocks due to not winterizing.
- #13
I will use my gunkhole several times during the winter. I add the Blue Stabilizer all year (the amount is about one-half as compared to wintertime). This insures the stabilizer id run through the engine and fuel lines/injectors and non just in the tank. When she sits upwards for a calendar month at a time I brand sure she topped off and has the extra stabilize added. I alter the oil in the leap and every fall and spring I go through the boat oiling, greasing, checking for loose stuff and I wax her. I put an Odor Genie under the encompass and keep all the doors open. I also keep trickle chargers on both batteries (I practice that all year as well).
- #15
I was told by my dealer that they just add marvel mystery oil to the gas. They use half as much as whatever stabilizer you apply. And then if you need 10 oz. of stabil so add 5 oz oil to the stabil, mix it and add it to the tank. Then fill the tank and run the fuel through the engine. They say that's all they do and it fogs the engine fine. I as well run RV antifreeze through the engines later on I warm them up on a hose to open the thermostat.
- #16
With a funel and hose I gravity feed a gallon of antifreeze while I fog at the same fourth dimension. Takes about a minute per engine. I go through about half a tin of fogging oil per engine.
Antifreeze $ten (3 gallons, I put a one-half gallon in each of my built in ballast numberless.)
Fogging oil $7
Marine stabil $9
two oil filters and 6 quarts of yamalube $50
Full cost = $86
- #17
I know cipher winterization but I better be condom than sorry... Anybody knows of a place near north Brunswick, NJ?
- #20
Startup and bump the throttle a couple times to ii-3k rpm or so. Some do this so wait a day and exercise information technology once more or fifty-fifty 3 days in a row for winterization.
Water will only come out the rear, yous won't see whatsoever out of the side "pee holes".
Some run antifreeze through the motors and some don't -- Yamaha claims you do not need to and any cavities in danger of causing freezing damage will self drain.
RV antifreeze is unremarkably a pink color with agile ingredient propylene glycol - it is referred to as non-toxic. Obviously still non good for pets just said to exist non-toxic to them.
Antifreeze used in vehicles is commonly green in color with agile ingredient ethylene glycol which is highly toxic to animals - as in can impale them.
The pink propylene glycol RV antifreeze is what is used to winterize boats. Don't rely on color lone though, apply it as a guide only ensure the agile ingredient is propylene glycol.
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Source: https://jetboaters.net/threads/winterizing.7548/
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