I fog ALL my motors. I have no idea when they might be used again. I have a two hose connector with a short line connecting the pressure side to the fuel side. This does a great job of blowing all the fuel out of the lines, filter and carburetor. As it speeds up at the end I squirt in the fogging oil to totally coat the inside of the engine. Make sure all the drain holes are open, change the gear case lub and tag the motor as "Winterized" . . . 😀 
