Kawasaki Ultra 300LX 2013 Review

Posted onMay 14, 2013

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Demanding enthusiasts know exactly what they want: the perfect combination of power, handling, and superior luxury. The Jet Ski® Ultra® 300LX personal watercraft delivers all that and more. With luxury manners and serious power, the Ultra 300LX is a PWC enthusiast’s dream, whether your journeys include an easy ride around the lake or an extended ocean cruise. And thanks to world class Kawasaki engineering, the Ultra 300LX will continue to serve you season after season.

Details & Features

Key Features

• Supercharged, intercooled 1,498cc engine puts out incredible power but is still designed for durability and reliability
• Plush, scalloped luxury seat enhances comfort during high-speed cruising. Two-tone upholstery accentuates the functional bolsters for rider and passenger
• GPS mounting area is built into handlebar pad for convenient placement of navigation devices
• Stylish upper deck enhanced by rich metallic titanium color with luminous vintage red graphics
• 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 handlebars accommodates a range 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
• Stronger hardened nickel valves offer superior heat resistance and enhanced reliability
• 33.4mm intake and 28.3mm exhaust valves
• Two-layer oil cooler for efficient cooling
• Reinforced crankcase adds to engine’s durability and reliability
• 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 Series (TVS) 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 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

Air-to-Water Intercooler
• Efficiently cools high-pressure intake air, as cooler air is denser and makes more power
• Cooler air results in higher combustion efficiency and high engine output
• Liquid cooling allows the intercooler to maintain consistent thermal performance

Digital Fuel Injection System
• High-flow fuel injectors with four orifices are fitted for combustion efficiency
• Single throttle body per cylinder features a large, 60mm bore diameter

• 4-into-2-into-1 powerboat-style exhaust system routes the exhaust pipe upward
• Allows the smoothest path for exhaust gases, maximizing exhaust efficiency
160mm Jet Pump
• Efficiently converts the Ultra 300LX’s massive horsepower output into thrust using a 160mm-diameter jet pump
• Developed from Kawasaki’s racing machines, this pump was specially designed to deliver consistent output and good “bite” even when riding on rough water
• Impeller features a 3-blade design that translates the 300X’s engine output into superb acceleration performance and quiet operation
• An eight-vane intake guide is used to smooth and regulate the flow of water from the impeller for efficient and powerful propulsion
• Left-side reverse lever offers easy operation
Ride Plate
• Features a groove from the center to the rear of the plate to enhance straight-line tracking

Electronic Trim Control System
• Allows the angle of the jet pump nozzle to be controlled to adjust the attitude of the hull to suit water surface conditions and riding styles
• Adjustment range is plus or minus 8 degrees from standard
Electronic Throttle Valve (ETV) with Cruise Control
• Accelerator Position Sensor (APS) converts throttle lever input to an electronic signal that’s used to control the throttle valve via an electric motor for optimum throttle response and smoothness
• Redundancy in the system helps ensure control is maintained in case of failure
• One-touch 5 mph mode allows push button no-wake zone riding
• Fuel Economy Assistance mode allows maximum fuel efficiency when going slow
• Economical Riding Indicator mode can be viewed on a graph on the LCD info screen
• Cruise control smoothly holds the 300LX at a set speed from 5 mph up to top speed

Kawasaki Smart Steering®/SLO Mode
• Kawasaki Smart Steering® (KSS®) monitors steering input and engine speed and, when certain conditions are met, raises rpm to help initiate a turn
• Smart Learning Operation (SLO) allows newer riders to become familiar with the handling and response of this JET SKI watercraft at a more relaxed pace
• Two separate keys, one for SLO mode and one for full-power operation, help prevent confusion over which setting is in use
Strong, Light Hull Design
• Feedback from Kawasaki’s IJSBA championship-winning racing machines integrated into design enables it to cope with the engine’s horsepower
• Hull offers a combination of straight tracking and responsive handling in both calm and rough-water conditions
• The lower hull is designed to distribute the engine and power delivery loads over a wide area
• The 300LX’s deep-V hull enables a high bank angle and motorcycle-like turning performance. This reduces the lateral G-loads imposed on riders during turns, allowing them to better concentrate on riding
• The ideal 22.5-degree V-angle at the bottom of the hull helps reduce unwanted spinouts during sharp turns
• Delivers the neutral handling and turning characteristics for which Kawasaki JET SKI watercraft are famous
• The bottom of the hull slants upward steeply from the center section to the bow, so the Ultra 300LX can penetrate swells and waves with less shock, pushing through waves rather than bouncing over them at high speeds
• Integrated sponsons extend from the hull, providing wallow-free straight-line performance and contributing significantly to the 300LX’s excellent maneuverability while helping to retain the narrow hull design

Quattro KSD
• The Ultra 300LX’s Kawasaki Splash Deflector uses three bottom-mounted ridges and an additional deflector mounted at the top to deflect water splashing forward from under the hull
• Whether turning or rocketing forward, at high speeds or low, the Quattro KSD minimizes spray, allowing greater rider concentration

Luxury, Comfort and Convenience
• Five-way adjustable handlebars allow operation while standing or sitting and suit a wide range of riders
• Two-tone LXury seat is ultra comfortable whether riding stand-up, seated or with passengers
• Seat offers roomy accommodations for three people
• Ergonomic deck design gives plenty of legroom
• GPS-mountable handlebar pad accommodates a variety of GPS devices
• A long rear boarding step and dual grab handles make it easy to climb onboard, and the step retracts inside the bumper to prevent damage
• A quick and easy hose connection allows a simple method to flush sea water out of the engine
• Mirrors are mounted to the upper deck to facilitate opening of the hatch cover
Capacious Storage
• The Ultra 300LX offers 60 gallons of total storage capacity
• The large-capacity, fully sealed storage area with a detachable storage tray has plenty of room for recreational equipment
• A detachable drink holder with space for two drink bottles is mounted on the center console
• Ideal for small items like a ski rope, a compact storage area is integrated with the under-seat rear grip
Extra-large Fuel Capacity
• 20.6-gallon fuel tank has more fuel capacity than any machine in its class

Digital Instrumentation
• Highly legible LCD screen
• Instrumentation includes riding modes, as well as external water and air temperature; clock; time, trip and hour meters; tachometer (in digital or graph displays); speedometer and max speed functions
• Eco Indicator shows when the 300LX’s speed and throttle opening is in its most efficient range

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