New Arrival 520 Sport Jet ! We’ve designed the SportJet 520 to fit on 30m+ yachts. Utilising the ultra-reliable 230hp Rotax engine, the Sportjet 520 can achieve a blistering top speed of 56mph, so you wont be able to wipe the smile from your face. The SportJet 520, our largest model in the SportJet lineup, offers a spacious sunbathing area, ample storage, and the capacity to accommodate seven adults comfortably. From practical tender duties to adrenaline-fuelled days in the sun, the SportJet 520 is the master of them all.