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Winterizing Cost?

My cost is for 1 gallon of automotive antifreeze, an oil filter, 5 quarts of oil, and a shot of lower unit grease, 8 spark plugs, a shot of oil to top off the trim pump, and a dose of Sta-Bil. In the spring it's ready to hit the water!

Don Dando

Don
Oct 6
2006
What? No fogging oil? And what about gearlube change? What's lower unit grease? bowgus
Oct 6
For 4 stroke I/O's:

1. Is it recommended that you change the spark plugs upon winterizing or is it better to change them in the spring?

2. How about fuel tank...leave it full w/fuel stabilizer?

Mike msalome0806@yahoo.com

Mike
Oct 7
I'd change them when they're worn out, a set of plugs should last longer than a season.

> 2. How about fuel tank...leave it full w/fuel stabilizer? > I'd lean towards leaving it empty, though it may collect moisture in some climates. If you leave fuel in it, stabilizer is definitely a good idea.

James
Oct 7
Don't suppose it matters when the plugs are changed ... on my old boat, I checked them now and then just to monitor how the engine was doing. And sure it's best to keep the tank topped up (year round) but with my carburated engine I'm not that concerned, condensation has never been a problem. Maybe trailering and storing the boat up and away from the high humidity of the water helps with that. Now if I had efi I'd keep it topped up year round and I'd be checking the water separator regularly. bowgus
Oct 6
ON my antique trucks and tractors, I always winterize and change plugs in the Spring. There is no real evidence that this is better, but it makes a kind of intuitive sense.

On my outboards, I left the old plugs in until Spring. When Spring comes, I run them up, clear out the crap, then change the plugs. As I said above, no real evidence this is better, it just makes sense.

>2. How about fuel tank...leave it full w/fuel stabilizer?

There is a lot of differing opinions on this - even from the manufacturers which often can give contradictory advice in the same paragraph.

I'm leaving the tank 1/4 full and stabilize for max fill - a 49 gallon tank, I'm leaving 10 in and stabilizing for 50. Once Spring comes around, fresh gas should overcome any problems ethanol phase separation may cause and there should be enough stabilizer in the old gas to keep the ethanol viable if not the freshest it could be.

Tom
Oct 7
Last time I changed my plugs was 4 years ago. Plugs don't go back that frequently unless your engine has problems. James
Oct 7
Don, I hope you are using biodegrable antifreeze (the pink stuff) and not convential auto antifreeze. Regular antifreeze does not play nicely with the water and those who live and play in the water. Reginald
Oct 6
   

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