- Stock #353606 - Sweet 21 Super Sport! GT-40 F.I. ,560 Hrs., Seats 12, Tower, 2k Ballast, Old School Ski Machine! Conquer the waves in this Nautique 21 Super Sport! Late 90s old-school classic with the rock-solid GT-40 EFI engine putting out 310 HP. Seats 9 with a large rear sun deck and swim platform. A Ski tower with a hard top gives it a great profile. In the interior, there's wrap-a-round bench seating plus the bow area for 4. A comfy sun deck in the stern and Storage compartments for skis and life jackets. At the helm, you'll find full instrumentation including a speedometer, tach ... read more