Kawasaki Jet Ski 2007 Ultra LX. Kawasaki Jet Ski 2007 STX-15F. The item "11005-3761 Kawasaki STX-15F Cylinder Engine New OEM" is in sale since Monday, March 16, 2020. This item is in the category "Sporting Goods\Boating, Water Sports\Watercraft\Personal Watercrafts". The seller is "partspwc" and is located in Southport, QLD.This item can be shipped to Australia, all countries in continental Asia, United States, United Kingdom, New Zealand.