to winterize or not to winterize?

yourkiddin

Petty Officer 1st Class
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Apr 10, 2008
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251
so i know what the sevice manuals and the experts on here say to do to our outboard motors. but how many of you really do everything? the reason i ask, this is my first outboard. all my buddys are telling me that they run stabil and just unhook fuel line, let it shut off on its own. and make sure motor is vertical to allow the water to drain out. i live in georgia but it still will freeze. are they just lucky? they seem to have no problems next spring. they tell me its a waste of money to do all the other.
 

d.boat

Chief Petty Officer
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Sep 19, 2008
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520
Re: to winterize or not to winterize?

so i know what the sevice manuals and the experts on here say to do to our outboard motors. but how many of you really do everything? the reason i ask, this is my first outboard. all my buddys are telling me that they run stabil and just unhook fuel line, let it shut off on its own. and make sure motor is vertical to allow the water to drain out. i live in georgia but it still will freeze. are they just lucky? they seem to have no problems next spring. they tell me its a waste of money to do all the other.

Don't let it run til it dies unless it's a single carb. engine. With multi carb engines, one or more carbs will run out of gas first. The cylinders they feed will then run w/o any fuel (therefore no lube either). That could damage those cylinders. For those engines, just treat the fuel with stabilizer and run it long enough so you know that the stabilized fuel has reached the carbs. The passages, if flooded with treated fuel, will not gum up. Or you could drain each carb.

If it's a oil injected engine, when the gasoline runs out, the oil keeps pumping and can fill carbs, etc. with oil, making a mess.

You should definitely drain and refill the lower unit. Any water that's in there could cause catastrophic damage if it freezes.

I also fog the engine, that's easy too.

Other than that, I grease fittings and drain the water separating filter. This all takes about 20 minutes for a V6 and about 10 minutes for my kickers.
 

jasonbailey

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Jul 25, 2004
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Re: to winterize or not to winterize?

The only other I thing I would ad, is to pull the prop off and make sure no fishing ling has wrapped around the prop shaft. Re-grease the splines and put the prop back on.
 
Joined
Oct 22, 2007
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Re: to winterize or not to winterize?

I'm in Georgia also, we use the boat year round. Summer (and as far into the fall as the kids can take the cooler water) is for water skiing, wake boarding, and tubing. Rest of the year is for fishing.

Since my boat never goes more than a few weeks between uses about all the "winterizing" I do is my lower unit lube change in the fall before we get freezing temperatures. If you can't park with the engine tilted down then put some anti-freeze in the prop hub so that any water that gets in there can't freeze, and cover the lower unit to keep as much water out as possible. Oh, I also ALWAYS use fuel treatment.
 

ezmobee

Supreme Mariner
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Mar 26, 2007
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23,767
Re: to winterize or not to winterize?

Other than changing the lower unit oil and running stabil through the last tank of gas....I've never really "winterized".
 

WIMUSKY

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Re: to winterize or not to winterize?

Also, I like to pull the plugs, spray in fogging oil and spin the motor to coat the cylinders ..........
 

robert graham

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Apr 16, 2009
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Re: to winterize or not to winterize?

If it's a 2 stroke, oil injected or premix motor, and it's going to sit for 4 to 6 months, then a good idea to fog it through the intakes to coat crank area bearings and surfaces, which are bright, shiny, bare metal and subject to moisture/corrosion. No real good reason not to do this very easy procedure. Good Luck!
 

yourkiddin

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Apr 10, 2008
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Re: to winterize or not to winterize?

thanks guys. this is some good info.
 

Chinewalker

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Aug 19, 2001
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8,902
Re: to winterize or not to winterize?

Always better to run fogging oil through the motor - not just spray it into the cylinders. I can't even tell you how many motors I've torn down thinking I could replace a piston and get it going again, only to find the crankshaft riddled with water marks and chatter marks due to rust. Long term storage combined with lack of internal oil filming leads to condensation and rust on internal bearing surafaces.
 
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