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Old 11-11-2012, 08:17 PM
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dvsone79 dvsone79 is offline
MC Devotee
Join Date: Jul 2012
Boat: '99 205v
Location: Tennessee River
Posts: 1,216
1999 MC Prostar 205V Winterization

I am in the process of winterizing my '99 MC PS 205V. This boat is new to me, and I'm still new to boating in general, so I welcome any advice you guys might have.

What I've done so far:

1. Filled the gas tank with ethanol free (the only kind I run, anyway, since I've heard ethanol is bad for boats), and added fuel stabilizer.
2. Ran the engine for about 15 minutes to get the stabilizer mixed in.
3. Replaced the impeller. Old one was in pretty good condition (didn't know that until I took it out, which was no easy task), but having a new one gives me peace of mind, and now I know how to replace it if it ever goes bad.
4. Using a fake-a-lake device, along with various hoses/adapters/etc., I hooked up my tsunami pump (the kind used to fill fat sacs with) to the fake-a-lake, dropped the pump into a bucket of antifreeze, and ran antifreeze through the engine. I'm pretty stoked that worked. It wasn't easy. Took some trial and error, but I was careful not to let it run without water or antifreeze getting through. If the pump slowed down, I shut off the engine and connected a water hose and ran water through for a while. Once the antifreeze got a good flow from the tsunami pump, through the fake-a-lake, and into the water intake, it worked really well and I ran about 7 or 8 gallons through. Turns out that was more than I needed, since I ended up with lots of it in the bucket I set up behind the boat to catch the water.
5. Disconnected the battery, and hooked it up to a battery tender.

That's all I've done so far. I know I need to change the oil, and perhaps the transmission fluid. But I'd rather do that in the spring so I have fresh oil to start the season. It doesn't make sense to me to change it now and have it just sit all winter. However, if there is a reason I should do it now, of course I'm open to it.

So, should I leave the antifreeze in, or drain it? If I drain, what is the best method? I don't know all the plugs/valves/petcocks/knock sensors I need to disconnect. In the future, I'll probably have it winterized professionally, but I'd like to do it myself this time, so at least I'm familiar with what goes on during the process. I figure the best way to learn about my new toy is to work on it myself whenever possible.

Is there anything else of importance that I'm missing?

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