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Features

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New for 2011 - New electronic cruise control smoothly holds a set speed from 5 mph up to top speed

New for 2011 - Redesigned fiberglass-reinforced hull is lighter, stronger and more maneuverable

New for 2011 - New Eco Mode reduces and smooths engine performance while conserving fuel

New for 2011 - New Eco Indicator shows the rider when the speed and throttle opening is in the 300X’s most efficient range

New for 2011 - New instrument panel with bigger speed numerals is easier to see

New for 2011 - New Electronic Trim Control allows rider to adjust nozzle angle and hull attitude

New for 2011 - New Eaton Twin Vortices Series (TVS) roots supercharger offers a significant performance increase

New for 2011 - New ergonomics with a revised handlebar and seat for enhanced rider comfort

New for 2011 - New reverse lever is more comfortable and easier to use

Key Features - Class-shattering 300 horsepower for amazing performance

Key Features - Strong, light, deep-V hull offers both stability and great cornering performance

Key Features - Massive, industry-leading storage capacity lets you bring your gear with you

Key Features - Largest fuel tank in class keeps the fun going longer

Key Features - Five-position adjustable handlebars accommodates a variety of riders

Key Features - 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

300-horsepower Supercharged Engine - Cast pistons with machine finishing for excellent durability

300-horsepower Supercharged Engine - Revised, high-lift exhaust cam lobes act upon new valves and offer increased durability

300-horsepower Supercharged Engine - Stronger hardened nickel valves offer superior heat resistance and enhanced reliability

300-horsepower Supercharged Engine - 33.4mm intake and 28.3mm exhaust valves

300-horsepower Supercharged Engine - Oil cooler features an additional layer for more efficient cooling

300-horsepower Supercharged Engine - Larger and stronger cam chain handles increased engine power

300-horsepower Supercharged Engine - Stronger, reinforced crankcase for added durability and reliability

300-horsepower Supercharged Engine - Coupling and damper revised to suit increased power

300-horsepower Supercharged Engine - Heat-resistant plastic intake manifold for decreased engine weight

300-horsepower Supercharged Engine - 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

300-horsepower Supercharged Engine - 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

Eaton Twin Vortices Series (TVS) Roots-type Supercharger - System force-feeds the engine two liters of air with every revolution, providing a stable supply of high-pressure intake air at all rpm

Eaton Twin Vortices Series (TVS) Roots-type Supercharger - Planetary gearing increases supercharger speed by a factor of 2 for better response

Eaton Twin Vortices Series (TVS) Roots-type Supercharger - Delivers compressed air continuously, not in waves, for smoother power delivery

Eaton Twin Vortices Series (TVS) Roots-type Supercharger - Produces large amounts of boost even at low rpm for instant and powerful acceleration right off of idle

Eaton Twin Vortices Series (TVS) Roots-type Supercharger - 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

Eaton Twin Vortices Series (TVS) Roots-type Supercharger - Produces more low-rpm boost than competitive or aftermarket systems, with a maximum of 17 psi of boost pressure

Eaton Twin Vortices Series (TVS) Roots-type Supercharger - 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

Air-to-Water Intercooler - Cooler air results in higher combustion efficiency and high engine output

Air-to-Water Intercooler - Liquid cooling allows the intercooler to maintain consistent thermal performance

Digital Fuel Injection System - High-flow fuel injectors with four orifices are fitted to complement the increased power output and improve combustion efficiency

Digital Fuel Injection System - Single throttle body features a large, 60mm bore diameter

Exhaust - 4-into-2-into-1 powerboat-style exhaust system routes the exhaust pipe upward

Exhaust - Allows the smoothest path for exhaust gases, maximizing exhaust efficiency

160mm Jet Propulsion - Efficiently converts the Ultra 300X’s massive horsepower output into thrust using a larger-diameter 160mm jet pump

160mm Jet Propulsion - Developed from Kawasaki’s racing machines, this new pump was specially designed to deliver stable output and good “bite” even when riding on rough water

160mm Jet Propulsion - Revised impeller featuring a 3-blade design translates the 300X’s increased engine output into increased acceleration performance and quieter operation

160mm Jet Propulsion - An eight-vane intake guide is used to smooth and regulate the flow of water from the impeller for efficient and powerful propulsion

160mm Jet Propulsion - Redesigned, left-side reverse lever for easy operation

Ride Plate - Features a groove from the center to the rear of the plate to enhance straight-line stability

Electronic Trim Control System - New 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

Electronic Trim Control System - 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

Electronic Throttle Valve (ETV) with Cruise Control - Redundancy in the system ensures control is maintained in case of failure

Electronic Throttle Valve (ETV) with Cruise Control - One-touch 5 mph mode allows push button no-wake zone riding

Electronic Throttle Valve (ETV) with Cruise Control - Fuel Economy Assistance mode allows maximum fuel efficiency when going slow

Electronic Throttle Valve (ETV) with Cruise Control - Economical Riding Indicator mode can be viewed on a graph on the new LCD info screen

Stronger, Lighter Hull Design - Feedback from Kawasaki’s IJSBA championship-winning racing machines integrated into design enables it to cope with the engine’s increased horsepower

Stronger, Lighter Hull Design - Complete re-evaluation of hull thickness resulted in optimum strength balance and a significant weight reduction

Stronger, Lighter Hull Design - Specially reinforced inner bow is better suited to engine’s increased power output

Stronger, Lighter Hull Design - Hull offers a combination of high stability and responsive handling in both calm and rough-water conditions

Stronger, Lighter Hull Design - The lower hull is specially designed to distribute the engine and power delivery loads over a wide area

Stronger, Lighter Hull Design - The 300X’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

Stronger, Lighter Hull Design - The idealized 22.5-degree V-angle at the bottom of the hull helps reduce unwanted spinouts during sharp turns

Stronger, Lighter Hull Design - Delivers the neutral handling and turning characteristics for which Kawasaki JET SKI watercraft are famous

Stronger, Lighter Hull Design - Bottom of the hull slants upward steeply from the center section to the bow, so the Ultra 300X can penetrate swells and waves with less shock, delivering extreme stability at low speeds and pushing through waves rather than bouncing over them at high speeds

Stronger, Lighter Hull Design - Battery located inside the front storage area near the center of the machine, avoiding concentrating heavy components at the rear and freeing up space inside the engine bay

Stronger, Lighter Hull Design - Integrated sponsons extend from the hull, providing stable wallow-free straight-line performance and contributing significantly to the 300X’s excellent high speed maneuverability while helping to retain the narrow hull design

Quattro KSD - The Ultra 300X’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

Quattro KSD - Whether turning or rocketing forward, at high speeds or low, the Quattro KSD minimizes spray, allowing greater rider concentration

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

Kawasaki Smart Steering®/SLO Mode - 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

Kawasaki Smart Steering®/SLO Mode - Two separate keys, one for SLO mode and one for full-power operation help prevent confusion over which setting is in use

Comfort and Convenience - New wider handlebars are more comfortable and provide lighter steering feel

Comfort and Convenience - Five-way adjustable handlebars allow operation while standing or sitting and suit a wide range of riders

Comfort and Convenience - Reshaped seat is comfortable whether riding stand-up, seated or with passengers

Comfort and Convenience - Two-piece seat offers roomy accommodations for three people

Comfort and Convenience - Ergonomic deck design gives plenty of legroom

Comfort and Convenience - A long rear boarding step and dual grab handles makes it easy to climb onboard, and the step retracts inside the bumper to prevent damage

Comfort and Convenience - A quick and easy hose connection allows an easy method to flush sea water out of the engine

Comfort and Convenience - Mirrors are mounted to the upper deck to facilitate opening of the hatch cover

Capacious Storage - The Ultra 300X offers 56 gallons of total storage capacity

Capacious Storage - The large-capacity, fully sealed storage area with a detachable storage tray has plenty of room for recreational equipment

Capacious Storage - A detachable drink holder with space for two drink bottles is mounted on the center console

Capacious Storage - 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

All-New Digital Instrumentation - A single, highly legible LCD screen replaces the dual meter setup of the 260X

All-New Digital Instrumentation - New instrumentation includes the new 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

All-New Digital Instrumentation - Cockpit visor repositioned higher for increased visibility

Specifications

Photos

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