2016 Cobalt R5 WSS Cobalt Wake Surf Boat Powered by a Volvo Penta 380 with only 95.7 hours! Trailer available but not included. Designed for the wide-open, all-out adrenaline junky in all of us, the refined and versatile Water Sport Series is fully prepared for you and your demands of large, predictable wakes. Wakes that bring out the passion for flight, wakes that live inside every water sports enthusiast.Fused with the intrinsic DNA of traditional Cobalt models and the wakeboarding advantages of a sterndrive, we present to you the Water Sport Series. WSS stands for everything thatâs fun on the water! Flexibility of speed when you need it, and power when demanded, the WSS delivers day in and day out. Now you hold the power to adjust wakes with the touch of a trim switch, giving both captain and boarder complete flexibility.