3-PASSENGER WATERCRAFT FOR BIG-TIME FUN ON THE WATER Get everything you need to enjoy a thrilling day out on the water. 3-passenger seating and a powerful 1,498cc engine ensure a day to remember for the entire crew. The modern hull design, same as the flagship Jet Ski® Ultra® 310 model, is something worth showing off whether you're parked in the driveway or in the water.