Boats For Sale:
Air Nautique winterization |
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Linkster 
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Joined: August-22-2024 Location: St. Louis Status: Offline Points: 3 |
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 Topic: Air Nautique winterizationPosted: September-03-2024 at 2:38pm |
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Thank you for the advice KENO. Added protection and I do like sleeping better at night.... Thank you again.
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Brian
2000 Super Air Nautique Indian Hills Lake Cuba, MO |
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KENO
Grand Poobah 
Joined: June-06-2004 Location: United States Status: Offline Points: 11093 |
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Posted: September-02-2024 at 7:58pm |
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Step 1.....find the boat, don't worry about whether it's been run or whether the thermostat is open
Step 2.....drain the engine and manifolds and put drain plugs back in Step 3,4,5 same as your step 3,4,5. If you drain the water first, it's hard to screw up. When you suck in your 5 or 6 gallons, it fills the empty engine behind the thermostat first and with the engine full, any more antifreeze that goes in goes out the exhaust. If you don't drain first, you have a lot better chance of screwing up and having a freeze problem because there's mixing that happens in the engine doing it your way and you don't get the same level of protection. A gallon of antifreeze in doesn't push a gallon of water out, it mixes in all the cooling passages and a diluted mix stays in the engine after your bucket is empty. Lots of people do it your way and depending on where they live, they never have a problem because it doesn't get cold enough to freeze and crack the block with the diluted mix or they're just lucky. Lots of marinas do it your way but circulate the mix and check the protection level with a refractometer and add antifreeze to the recirculating solution till they get the desired reading. Everybody has "their way" of winterizing, but if that way doesn't include draining first, you're just that much much closer to having a problem. Oh yeah, one other thing I should mention......DRAIN FIRST  It lets you sleep better on that coldest night of the year too, instead of tossing and turning andwondering how the boat's doing |
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Linkster
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Joined: August-22-2024 Location: St. Louis Status: Offline Points: 3 |
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Posted: September-02-2024 at 4:55pm |
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Wanted to see what other people do to winterize their Air Nautique (engine in back/v-drive)... What I have been doing:
(1) run boat up to temperature to make sure all thermostats are open and circulating (2) quickly pull out of lake (3) disconnect lake raw-water inlet and put that hose going to water pump in a small bucket (4) turn on engine (idle) and put 5-6 gallons of RV antifreeze in bucket to suck though engine and make sure to have good stream of pink coming out the back (5) fog engine seconds before turning off for the winter Any thoughts? Better ideas?
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Brian
2000 Super Air Nautique Indian Hills Lake Cuba, MO |
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