2020 Mercury 150 Pro XS Fourstroke EFI w/Jet Troutt and Sons Inc. New 2020 Mercury 150 ProXS Fourstroke EFI w/Jet Regular price $16,200 PLEASE CALL US AT 800-843-9677 OR STOP BY OUR LOCATION IN ST. JAMES FOR MORE DETAILS. 18050 Co. Rd. 1000 P.O. Box 8 St. James, MO, 65559