Jetworks 830cc Gen 1 ADA 09/12/2012 | 1 Gen ADA 830cc +6 Stroker. Dropped into a full carbon XFT Hull Fast forward 6 years later, this ski still receives respect from all the newer bigger engines. | 440 550 ADA EME Freeride Freestyle Jet Motosurf Ocean Ski Stroker Superjet XFT Yamaha