Repeating Winterization If Engine Not Started

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Author Topic:   Repeating Winterization If Engine Not Started

sportroyalwulf posted 09-07-2014 07:00 PM ET (US)
A 2003 Mercury 60-HP FOURSTROKE EFI on a 150 SPORT was winterized, its oil changed, gear lube changed, and [in some unspecified manner] fogging [oil was used] in November, 2013, and left in indoor storage until May 2014. [The boat and engine then] sat in the yard all summer, and [the engine] was never started or [the boat] put in the water. Now it is time to put it away for winter. Should I run [the engine] and winterize again?
Would any harm occur if I put [the boat and engine] back in storage with last year's winterization?
Jeff posted 09-07-2014 07:43 PM ET (US)
Nope, you can just leave it as is if you want to. If you are really worried, pull the plugs, spray some fogging oil in the cylinders, rotate the fly wheel by hand 2-3 revolutions, spray again, rotate a couple more times, reinstall the plugs and call it good.
frontier posted 09-07-2014 08:02 PM ET (US)
Was the gas stabilized and motor run after to get it into all of the fuel system? Was gas stabilized with storage or everyday use amounts of Sta-Bil? Storage amount is good for at least a year. Was 10% Ethanol-gasoline fuel used?
sportroyalwulf posted 09-07-2014 08:18 PM ET (US)
Frontier
Yes
Storage amount through fuel system
10% ethanol gas
jimh posted 09-07-2014 09:12 PM ET (US)
I'd give the boat a thorough cleaning, and put it away for the winter. I would not re-start the engine only for the purpose of re-doing the winterization.
If the fuel were properly stabilized in November, 2013, it should survive until next Spring.
kmev posted 09-09-2014 09:30 AM ET (US)
If it were my boat, I would siphon the fuel out of the tank and replace with fresh, non-ethanol, treated fuel. In 2013, I was unable to get much water time, and by the end of the season I still had last year's fuel in the tank. It was ethanol-free and had been properly treated with Stabil, but was already starting to smell like varnish by the end of the summer (just under a year old). Especially with ethanol, it doesn't take long for gas to go bad.
I ran the old fuel through my truck to get rid of it. It's cheap insurance, and may prevent having to track down outboard engine problems next year due to running two year old gas.
sportroyalwulf posted 09-10-2014 10:04 AM ET (US)
Gas was drained last year. Boat has been cleaned, waxed, and returned to storage. The crime is not using the boat this summer.
Thanks for the advice.

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Author	Topic: Repeating Winterization If Engine Not Started
sportroyalwulf	posted 09-07-2014 07:00 PM ET (US) A 2003 Mercury 60-HP FOURSTROKE EFI on a 150 SPORT was winterized, its oil changed, gear lube changed, and [in some unspecified manner] fogging [oil was used] in November, 2013, and left in indoor storage until May 2014. [The boat and engine then] sat in the yard all summer, and [the engine] was never started or [the boat] put in the water. Now it is time to put it away for winter. Should I run [the engine] and winterize again? Would any harm occur if I put [the boat and engine] back in storage with last year's winterization?
Jeff	posted 09-07-2014 07:43 PM ET (US) Nope, you can just leave it as is if you want to. If you are really worried, pull the plugs, spray some fogging oil in the cylinders, rotate the fly wheel by hand 2-3 revolutions, spray again, rotate a couple more times, reinstall the plugs and call it good.
frontier	posted 09-07-2014 08:02 PM ET (US) Was the gas stabilized and motor run after to get it into all of the fuel system? Was gas stabilized with storage or everyday use amounts of Sta-Bil? Storage amount is good for at least a year. Was 10% Ethanol-gasoline fuel used?
sportroyalwulf	posted 09-07-2014 08:18 PM ET (US) Frontier Yes Storage amount through fuel system 10% ethanol gas
jimh	posted 09-07-2014 09:12 PM ET (US) I'd give the boat a thorough cleaning, and put it away for the winter. I would not re-start the engine only for the purpose of re-doing the winterization. If the fuel were properly stabilized in November, 2013, it should survive until next Spring.
kmev	posted 09-09-2014 09:30 AM ET (US) If it were my boat, I would siphon the fuel out of the tank and replace with fresh, non-ethanol, treated fuel. In 2013, I was unable to get much water time, and by the end of the season I still had last year's fuel in the tank. It was ethanol-free and had been properly treated with Stabil, but was already starting to smell like varnish by the end of the summer (just under a year old). Especially with ethanol, it doesn't take long for gas to go bad. I ran the old fuel through my truck to get rid of it. It's cheap insurance, and may prevent having to track down outboard engine problems next year due to running two year old gas.
sportroyalwulf	posted 09-10-2014 10:04 AM ET (US) Gas was drained last year. Boat has been cleaned, waxed, and returned to storage. The crime is not using the boat this summer. Thanks for the advice.