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Author Topic:   Winterizing 90 hp 4 stroke
timsr posted 11-27-2007 04:59 PM ET (US)   Profile for timsr   Send Email to timsr  

I know there are lots of topics on this issue but I do have a question on the winterizing procedure since I'm thing of doing it myself next year and trying to save myself a couple of hundred bucks
I just picked up my Montauk 170 from the dealer after having it winterized. I was talking with the service manager about how they prep the internal components of the engine area and he said that they never spray Mercury Storage Seal in the pistons rather they use just shoot regular 4 stroke outboard oil in them. He said something about the storage seal causing the lifter arms to stick because it is so thick. I was just wondering from those who winterize this engine on their own what do they use to prevent rust from forming on the internal parts.

A second question is instead of just letting the few gallons of stabalized gas sit in the portable tank for 4 months can't I just put in my truck now.

Thanks in adavnce.


Feejer posted 11-27-2007 05:26 PM ET (US)     Profile for Feejer  Send Email to Feejer     
Can't help with the 1st question, but use the gas in your truck now.
Casco Bay Outrage posted 11-27-2007 06:48 PM ET (US)     Profile for Casco Bay Outrage  Send Email to Casco Bay Outrage     
Look at your manual for the engine. There should be a section detailing steps to complete for storage (not always called winterization) with diagrams.

Many use fogging oil and spray a bit (not a lot) into each cylinder and then turn the engine over by hand a few times. You can also pull the safety lanyard and then do a couple quick turns with the key.


fisherman posted 11-28-2007 02:12 PM ET (US)     Profile for fisherman  Send Email to fisherman     
Fall of 2006, I changed the oil/filter, lubricated as dictated by the manual. Stabalized the fuel. Allowed the engine to run for 10-15 minutes. Rolled her on the track into the boathouse with engine in down postion.
Spring 2007, rolled her out of the boathouse into the water.Primed the bulb and she started instantly.
This fall did the same procedure.
Personally, I think you could have saved yourself some bucks.

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