Kawasaki Flush Kit Atlantis offers the most complete and current line of flush kits for all years of Kawasaki Jet Skis. Part Number A2505 Fits: JS440, JS550, 550SX, 650SX, 750SX, 750SXI All Years, And other kawasaki jetski models with 3/8" water hose. SEADOO GT (ALL YEARS), and all other Seadoo models with 3/8" water hose. CAN BE USED AS A UNIVERSAL FLUSH KIT FOR ALL SKIS WITH 3/8 WATER LINE. Installs in minutes and anyone can do it with our easy to follow step by step instructions. we offer in color blue and red.