
Originally Posted by
artcarney_agr
Change the lower unit oil
Add Sta-Bil to the fuel, run it with the stabilizer in there for a few minutes so the whole fuel system gets treated; an alternate would be to remove the fuel line from the engine, run it until it quits, which ensures there is no fuel in the motor to gum it up over the winter
Make sure the batteries are charged - bring them inside if you aren't able to put a trickle charger on them
Add fogging oil to the cylinders
Remove anything from the boat that could freeze and bust (like cokes, etc.)
I also like to wash/wax/vaccum the boat before I put it away for the winter, that way it's ready to go come spring.