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Old 12-05-2016, 03:02 AM   #1
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Default How to winterize 3300scr

Hello all, this is my first winter with my boat. I pulled it out of the water and it is being stored in a friends pole barn. I've never winterized a boat like this but I also know what needs to be taken care of, I think...anyways I have the twin 5.7's. So far I have found 4 drain plugs per motor, I drained them. Next I'm assuming I fire the motors and suck anti freeze in? How much can I expect each motor to hold. What's the process in winterize for the westerbeke gen? Lastly what's the best way to do the water system? I appreciate all the help here, please let me know if you have any pointers or I am missing anything. Thanks again!

Sean
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Old 12-05-2016, 02:13 PM   #2
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Welcome Sean ! If I could suggest.....

I could go through everything you ask and I would type my fingers off! Instead I'm going to recommend you purchase a Clymer book for your applications. They are for great for what you need to know on all these questions that you have. You can also get service manuals for what brand ( sounds like you have mercury brand engines and maybe out drives ?) You have .

If you have specific questions please send them our way but make sure you let us know exactly what you have.

It's December and you did not say where this boat is? So start draining your water system and hot water heater to start. Add about 10 gallons of pink stuff to the system. 6 gallons will go into the tank or buy a by-pass for it and only add 3 or 4 gallons. See the optionsame you have. Your head pumped out? Need a couple gallons for that.

Hopefully this will get you started Sean ...

Roger
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Old 12-05-2016, 02:32 PM   #3
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Thanks for the heads up. Yes I have the twin 350, 5.7 liter engines with bravo 3 outdrives. I went to Walmart and purchased antifreeze but I now realize I do NOT want the green kind (which I bought) and I'll need to return and purchase the RV pink kind. The boat is used at the lake of the ozarks in Missouri although it is being stored in Illinois. So a typical winter for this boat, definitely will be in freezing temps.
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Old 12-05-2016, 02:52 PM   #4
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WATER
1) Empty the water tank
2) shut the hotwater heater off
3) drain the hotwater heater.

Option #1: Use an air compressor to blow out the lines (I don't like this method as small amounts of water could still pool at low points.

Option #2: Pour Propylene glycol into the water tank and open the taps until all are flowing with AF. It will take an additional 6 gallons to fill the hotwater heater unless you buy a bypass kit and bypass the water heater.

HEAD

1) Pump out head.
2) Pour propylene glycol into the head and flush back into the holding tank so there is some in the tank and the sanitation lines are full of AF

Airconditioner (If applicable)

1) Open Seacock and drain system.
2) I flush mine with propylene glycol

OUTDRIVE(S)

1) Drain drive lube
2) refill drive lube (from bottom with drive lube pump)


ENGINE

1) Change oil and filter

Winterization will depend on whether this is a raw-water cooled or closed cooling system.

for a closed cooling system, I hook muffs to the outdrive then to a hose to a small pump in a 5 gallon bucket. The pump is just to push propylene glycol (AF) up to the impellor (on a Bravo that is engine mounted). Once the exhaust discharge is flowing with all AF, I shut the whole thing down.

Fogging will depend on whether this is a carb or fuel injection. standard fogging for carb.
For Fuel injection, I mixe a little Store and Start/stable with some 2 stroke oil and pour that into the cool fuel module. No cool fuel, then you could temporarily set-up portable tank to draw from for winterization.

If you've never done this before, then I would suggest maybe getting someone who has to assist. Mistakes in this area can be costly.
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Old 12-09-2016, 11:45 PM   #5
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What about he westerbeke gen??
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Old 12-10-2016, 12:53 AM   #6
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SeanDavid sounds like you might be a little mechanically challenged and I mean no disrespect either. We all started out this way!

If you can get this far to a website you can google, I'm a big fan of this, all about a genny or for that matter anything else about your boat.

Or like what Shrew has suggested learn from a expert or find a mentor to show you how to do all this. But remember, one screw up , you could be replacing a engine or an outdrive , or water heater....etc. You spent a lot of money for that nice boat of yours ...don't cheap out on maintaining it.

Good luck

Roger
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Old 12-14-2016, 12:42 AM   #7
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Try You Tube. Great videos on all maintenance. Make sure the anti freeze is rated for engines, since it gets pretty cold in Illinois. You might try a West marine
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