Sharing the same razoe-sharp hull configuration and fire-breathing supercharged engine as the all-conquering Jet Ski Ultra 310X also features a plush luxury seat with separate seating spaces for each passenger to provide a more comfortable, secure and confidence-inspiring ride. A premium paint scheme truly distinguishes the ultra 301LX as Kawasaki premier Jet Ski model. The potent direct-drive Roots-type air-pump super charger constantly supercharges the intake mixture, pressurising the engines inlet tract up to 16.8psi maximum boost to deliver more air and therefor more power. A massive aluminum inter-cooler reduces hear and ensures the air charge is kept at ambient temperature or even less. The end result? Instantaneous throttle response and boost straight from idle resulting in the most awe-inspiring acceleration this side of rocket ship.