Someone used my boat without authorization. I'm sure it was my ex after we broke up. Must have gotten stuck in shallow water. Tore aluminum prop up. Now there is a loud vibration coming from outdrive when put into gear. Any ideas on what it could be? and appx what kind of money I should expect to spend to have it repaired? 305 inboard engine still runs and sounds great. Learned a valuble lesson. Lock up your boat when it is in a marina, don't count on marina to notify you of anyone using your boat...