These Jet Skis are much faster. These are the models of supercharged Jet Skis Kawasaki , Sea-Doos, and WaveRunner Jet Skis: Sea-Doo GTR 230, Sea-Doo GTX 230, Sea-Doo Wake Pro 230, Sea-Doo RXP-X 300, Sea-Doo RXT-X 300, Sea-Doo GTX 300, Sea-Doo GTX Limited 300, Yamaha FX SVHO, Yamaha FX Cruiser SVHO, Yamaha FX Limited SVHO, Yamaha GP1800R SVHO, Kawasaki Ultra 310X, Kawasaki Ultra 310LX, Kawasaki Ultra 310LX-S