The most crucial step in preparation for the off-season or any period of 90 days or longer is appropriate fuel preparation. In your final tank of fuel, add a fuel stabilizer before draining it or running it dry. Crank the engine while choking it until it won't starts. This will reduce the likelihood that varnish or gum deposits may develop in your body. Make sure you have enough antifreeze in your machine. To make sure your machine is prepared for the winter, pick up an antifreeze tester at your neighborhood hardware shop. According to the user's manual, lubricate the machine.