Ultra 310R – Features

  • UPGRADED Supercharged DOHC inline four-cylinder engine produces a staggering 310 horsepower. It’s the most powerful production PWC in history
  • NEW KX motocross-style electro-polished stainless steel handlebar enhances the 310R’s sport riding capabilities while also providing excellent all-day comfort
  • NEW 12-position handlebar mount can be adjusted for reach and height to allow operation while standing or sitting and to suit a wide range of riders and conditions
  • NEW Sportseat offers a special support bolster and a grippy KX-motocross-like seat cover for hard sport riding
  • NEW Aggressive graphics reinforce the hard-core sport capabilities of the new Ultra 310R
  • Strong and light, the 301R’s deep-V hull offers superb straight-line tracking and precise cornering performance
  • Industry-leading, 212L storage capacity lets you bring your gear with you
  • 78L fuel tank is the largest in its class, providing tremendous range for long rides
  • Separate keys for full power operation and Smart Learning Operation

 

Right Facing 440 x 260

310 logo 440 x 260

The post style handlebar is similar to the kind found on Kawasaki’s KX450F motocross bike…..although this bar offers even greater adjustability.

Handle position is adjustable both for height and forward / rearward position. A total of 12 positions are available. Riders can choose from three height positions (STD / 5mm up / 10mm up) which can be adjusted using 5mm washers. Two sets of handle bar slots and reversible handlebar holders offers four forward / rearward positions. Optional handlebar clamps add another six positions.

The stainless steel handle features and electropolish finish for a high quality appearance and the handlebar comes equipped with a racy bar pad.

The Ultra 310R is equipped with a new sport seat specifically designed for hard sport riding. The moderate contour of the seat supports the rider’s hips, offering enhanced lower body support for hard sport riding.  The seat shape flares less at the thighs than the standard seat of the Ultra 310X. This makes it easier to grip the seat with the knees when stand-up riding in rough water.

Textured material, similar to that used on the KX motocross bikes contributes to the racy appearance and the ability to grip the seat in all situations. Adding to the quality image, having the hand strap start at the pattern line created a more integrated design. A JET SKI logo and black stitching are some other quality touches.

An ergonomic deck design gives plenty of legroom and the left-side reverse lever is ergonomically designed for easy operation. At the end of the day on the water, a quick and easy hose connection allows a simple method to flush sea water out of the engine.

Bars 440 x 260

Seat 440 x 260

Angle 440 x 260

 

nose 2 440 x 260

 

UPGRADED 1,498cc, liquid-cooled inline four-cylinder engine makes 10 additional horsepower through reduced mechanical loss, improved efficiency.  The Eaton TVS constant-displacement supercharger and liquid-cooled intercooler provide instant and consistent boost for outstanding performance throughout the rev range.

  • NEW Heat-resistant plastic intake manifold is reshaped for improved low-mid range power
  • NEW Cast pistons feature additional ring land V-grooves for better oil retention
  • Hardened nickel 33.4mm intake and 28.3mm exhaust valves offer superior reliability
  • Two-layer oil cooler offers efficient cooling
  • Large cam chain increases reliability in a supercharged engine application
  • Reinforced crankcase adds to engine’s durability and reliability
  • NEW Fuel pump provides greater fuel flow volume for increased power and better fuel efficiency
  • NEW Thicker water jackets improve cooling performance
  • Check valve system between the cylinder jacket and water muffler that shuts water flow off above 2,000 rpm, to keep the cooling water inside the cylinder jacket for optimum cooling performance
  • NEW Piston cooling oil jets increased from one jet per piston to two jets per piston for increased piston cooling
  • NEW Oil pan features additional baffle plates to prevent oil slosh during tight turns or extreme acceleration/deceleration
  • NEW Crankcase oil return holes are enlarged for quicker oil return to the oil pan
**Horsepower measured in PS at the crankshaft under controlled conditions. Actual performance may vary.
engine 280 x 150

High-flow fuel injectors with 4 orifices are fitted to complement the increased power output and to improve combustion efficiency. A single throttle body is used with a bore diameter of 60 mm.

Efficiently cools high-pressure intake air – cooler air is denser and makes more power. Liquid-cooled intercooler design maintains consistent thermal performance.

Rear 280 x 150

To suit the 160 mm jet pump, the Ultra 310R gets an impeller redesigned to efficiently convert all the extra power into forward thrust. The upgraded Impeller features a revised 3-blade design that gives the 310R greater initial acceleration.

The wide rear deck behind the seat offers plenty of room to set up gear for water sports and facilitates getting back on board from the water. A long rear boarding step makes it easy to climb on board, and the step retracts inside the bumper to prevent damage.

KSD 280 x 150

The Ultra 310R’s Kawasaki Splash Deflector (KSD): The ridges across the bottom of the bow deflect water splashing foward from under the hull. A fourth splash deflector mounted at the top reduces spray duirng high speed turns.

Whether turing or blasting in a straight ahead, at high speeds or low, the Quattro KSD minimises spray, allowing greater rider concentration.

A groove running from the centre to the rear of the ride plate makes it easier to hold a straight course when running straight ahead.

Rear right facing 440 x 260

Nose 440 x 260

Designed to emulate the performance of Kawasaki’s IJSBA championship-winning race machines the reinforced inner bow is extremely light with ample strength to handle the engine’s power output.

Exemplary straight-line tracking and responsive handling in both calm and rough-water conditions set performance benchmarks for the class. The lower hull is specially designed to distribute the engine and power delivery loads over a wide area.

Deep-V hull design enables a steep bank angle for motorcycle-like turning performance. This reduces the lateral G-loads imposed on riders during turns, allowing them to better concentrate on riding. The 22.5° V-angle at the bottom of the hull helps reduce unwanted spinouts during sharp turns. This all assista in delivering 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 310R 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 310’s excellent maneuverability while helping to retain the narrow hull design.

Sponsons extend fromm the hull to provide stable straight line performance (e.g. porpoising from start is minimised) while helping to retain the machine’s narrow overall design. they also contribute significantly to the superb manoeuvrability when changing direction (particularly at higher speeds).

To effectively convert the 310 PS output into thrust, the Ultra 310X utilises a new, larger 160mm jet pump, designed using eight guide vanes. The pump delivers superior “traction” in rough water conditions and significantly contributes to the Ultra 310R’s mind-boggling acceleration.

The pump is designed to deliver consistent output and good “bite” even in rough water conditions. An UPGRADED Impeller features a revised 3-blade design that gives the 310R greater initial acceleration and the eight-vane intake guides and regulates the flow of water to the impeller for consistent, efficient and powerful propulsion.
ø88mm steering nozzle, designed to be short and slim, ensures a light steering load.  Handling feels light despite the high power output.

The Ultra 310R features a 4-into-2-into-1 powerboat-style exhaust system, which routes the exhaust pipe upwards. This allows the smoothest flow for exhaust gases, maximising exhaust efficiency.

 

 

 

Engine 440 x 260

Super 280 x 150

Four-lobe, constant-displacement design offers significant performance increase over standard roots-type unit. The system force-feeds the engine two liters of air with every revolution, providing a constant supply of high-pressure intake air at all rpm.  The compressed air is delivered continuously, not in waves, for smoother power delivery.

The supercharger produces large amounts of boost, even at low rpm, for instant and powerful acceleration right off of idle.  Provides a flat and linear torque curve with mellifluous, lag-free power across the entire rev range.  This system produces more low-rpm boost than competitive or aftermarket systems, with a maximum of 17 psi of boost pressure.

 

trim

Electronic Trim Control System allows the rider to control the angle of the jet pump nozzle to suit water surface conditions and riding style.

Adjustment range is plus or minus 8 degrees from standard.

 

throttle

IMPROVED Fuel Economy Assistance mode revised for significant fuel savings and increased range. Convenient electronic cruise control smoothly holds a set speed from 8 kph up to top speed.

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 crisp and smooth throttle response.

One-touch, push-button 8 kph mode allows hassle-free no-wake zone riding and the  economical Riding Indicator mode can be viewed on a graph on the LCD info screen.

The Kawasaki Eco Mode reduces and smoothes engine performance while conserving fuel.

Storage 440 x 260

 

 

 

 

 

The huge front storage compartment comes with removable tray combined with a centre console storage area.

  • Large-capacity, fully sealed storage area with detachable storage tray offers ample room for recreational equipment
  • A detachable drink holder with space for two drink bottles is mounted on the center console
  • Compact integrated underseat storage area is Ideal for small items like a ski rope
  • Total storage capacity of 212L

The ECU controlled ETV allows multiple riding mode options to be activated with the touch of a button. 8 kph mode conveniently regulates rpm to maintain constant speed in no-wake zones and cruise control fixes speed at a specified level for convenient long distance touring.