2013 Kawasaki Jet Ski® Ultra® 300X Watercraft

Every once and a while, an adventurous rider just wants something to make their heart race; other times, they need a personal watercraft that can haul the load and isn't afraid of rough water. With 300 horsepower , impressive handling, and an array of performance-enhancing features, the Jet Ski® Ultra® 300X can accomplish these different tasks better than the competition's watercraft offerings. It truly gives enthusiasts everything they desire — and more!

Key Features
• Class-shattering 300 horsepower for outstanding performance
• Strong, light, deep-V hull offers both straight-line tracking and great cornering performance
• Massive, industry-leading storage capacity lets you bring your gear with you
• Largest fuel tank in class keeps the fun going longer
• Five-position adjustable handlebar accommodates a variety of riders
• Separate keys for full power operation and Smart Learning Operation

300-horsepower Supercharged Engine
• Supercharged and intercooled 1,498cc, liquid-cooled inline four-cylinder engine
• Cast pistons with machine finishing for excellent durability
• Hardened nickel valves offer superior heat resistance and reliability
• 33.4mm intake and 28.3mm exhaust valves
• Two-layer oil cooler offers efficient cooling
• Large cam chain handles enhance engine power
• Reinforced crankcase adds to engine's durability and reliability
• Heat-resistant plastic intake manifold for weight savings
• Optimum cylinder wall temperature is maintained by a check valve between the cylinder jacket and water muffler that shuts water flow off above 2,000 rpm, keeping the cooling water inside the cylinder jacket
• Precise power adjustments are easy with a throttle lever designed to prevent finger fatigue on longer rides

Eaton Twin Vortices Roots-type Supercharger
• Four-lobe design offers significant performance increase over standard roots-type unit
• System force-feeds the engine two liters of air with every revolution, providing a constant supply of high-pressure intake air at all rpm
• Delivers compressed air continuously, not in waves, for smoother power delivery
• Produces large amounts of boost even at low rpm for instant and powerful acceleration right off of idle
• Provides a very flat and meaty torque curve with step-free power across the entire rev range without any of the lag associated with turbochargers
• Produces more low-rpm boost than competitive or aftermarket systems, with a maximum of 17 psi of boost pressure
• Two different air bypass valves are used to prevent over boosting at low and medium rpm