2013 Kawasaki Jet Ski Ultra 300LX, Trade in, comes with single trailer... 2013 Kawasaki Jet Ski 300LX Demanding enthusiasts know exactly what they want: the perfect combination of power, handling, and superior luxury. The Jet Ski Ultra 300LX personal watercraft delivers all that and more. With luxury manners and serious power, the Ultra 300LX is a PWC enthusiast's dream, whether your journeys i...