Re: Winterizing 1996 Mariner 100hp
You do not need anti freeze. If the engine is stored vertically, it is self draining. Drain the lower unit and refill it with fresh lub. This is critical if the engine is stored where temps can get below freezing. Any water in the lower unit can freeze and crack the housing. Fog the engine using any of the available fogging oils. Either run it dry of fuel, or treat the fuel and run it long enough (in the water or on muffs) to ensure the treated fuel gets to the carbs. Put 'er to bed. You can extract the fuel in the tank and use it in your car or truck. Be sure to add fuel stabilizer if you leave fuel in the tank.