Take notes on your conversations with everyone you talk to also. Date them and make sure you have the name of the person you spoke with. It will help if you end up in court. In addition, you might mention that you are involved with forums of people who are loyal to Kawasaki and your experiences will be shared with them. Bad press for the dealer among people who are likely to purchase their parts and bikes could rattle their cage a bit. And like sarge says, if you don't get satisfaction from one of them, move up the food chain a bit. The people with the bigger picture are more likely to see the price of the tank vs. bad publicity as a penny wise, pound foolish situation.