Here are a couple sites about the subject:
http://www.sterndrives.com/supplies/winterize.html
http://www.boatsafe.com/nauticalknowhow/winteriz.htm
Hope This Helps.
Go to winterflush.com Its the newest most efficient way to winterize But, if you need a professional to service your Volvo penta engine try this company, they can tell you if you have properly winterized you engine- http://www.powerproductsystems.com/Service-Request.asp
winterize it only if you want it to work in the future
To winterize a Mercury 250 Pro XS outboard, begin by flushing the engine with fresh water to remove salt and debris. Change the engine oil and filter, and inspect the fuel system, adding fuel stabilizer to the tank. Run the engine briefly to circulate the stabilizer, then fog the cylinders with a fogging oil to protect against corrosion. Finally, store the motor in a dry, covered area to prevent moisture accumulation.
No.
The Willis Report - 2011 Winterize Your Car was released on: USA: 10 December 2013
2 bags of concrete
Follow the link for the steps.
you go to it and throw it away
Yes, it is recommended to winterize your sprinkler system before cold weather arrives to prevent damage from freezing temperatures.
winterize 2013 yamaha 4 stroke twin jet boat
That is the correct US spelling of the term "winterize" (make ready for colder weather). The UK spelling is winterise.
http://www.ehow.com/how_2087098_winterize-jet-ski.html