With winter approaching I was wondering what do you have to do to 'winterize' the bike properly? I heard to drain the tank.. but then isn't the carb still going to be full of fuel and gum up over winter? My second question is what kind of grease do you put around your oil filter? I'm not talking about actual filter oil, but the stuff on the outer edge. When I bought my bike used it had purple grease around the filters edge. Thanks in advance.