Kawasaki Ultra 310LX

Kawasaki Ultra 310LX




Kawasaki Jet Ski Ultra 310LX 310 hp

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Kawasaki Jet Ski Ultra 310LX 310 hp 2018

A Luxurious 3-Passenger Water Rocket with JETSOUND!

The 2017 Kawasaki Jet Ski ULTRA 310LX personal watercraft(PWC) gives experienced enthusiastsexactly what they want: the ultimate combination ofclass-leading power, precise handling and superior luxury. 
Ultra 310LX’s deluxe appointments are obvious: substantial chromed trim pieces, a special paint scheme and Kawasaki’s heat-resistant three-passenger LXuryseat are standard equipment on the Ultra 310LX. As before, the Ultra 310LX maintains its top-rank position as the standard in luxury watercraft with the JETSOUND™ audio system as a standard LX feature. JETSOUND allows riders to listen to their favorite music while touring their favorite waterways! 


  • JETSOUND™ audio system, a first in personal watercraft, allows riders to listen to music while riding, with stowage area for iPhone or smartphone
  • Contoured and scalloped three-passenger LXuryseat
  • The industry’s firstheat-resistant seat cover
  • Hydroturf® striped pattern deck matting provides classy looks and superior grip
  • Supercharged DOHC inline four-cylinder engine produces a staggering 310 horsepower1
  • Impeller features 3-blade design for superb propulsion
  • 310LX’s deep-V hull offers superb straight-line tracking and precise cornering
  • Industry-leading, 56-gallon storage capacity
  • 20.6-gallon fuel tank is the largest in its class, providing tremendous range
  • Left-side reverse lever is ergonomically designed for easy operation
  • Separate keys for full power operation and Smart Learning Operation

The JETSOUND system is a bold move, but that should hardly come as a surprise. After all, who else would have the confidence to plant a supercharged inline four-cylinder engine, capable of a brawny 310 horsepower[1], into a precise-handling luxury hull designed to haul three adults in supreme comfort while carrying a class-leading storage payload? Kawasaki did, and the Ultra 310LX epitomizes the perfect blend of luxury and performance. 

With 310 horsepower1 on tap, the Ultra 310LX has a 1,498cc inline four-cylinderDOHC enginewith DFI® (Digital Fuel Injection) that puts all other luxury watercraft to shame, and is the basis for an open-water, race-winningpowerplant. It propelsits race-derived hull design,which is easily able to carve precise turns in calm or rough water. 
The engine offers tremendous thrust thanks to its roots-type Eaton Twin Vortices Series (TVS) supercharger. This supercharger features a pair of four-lobe rotors to boost engine output. The key lies in its fixed-displacement design,which produces large quantities of boost at all RPM, from idle to redline, giving the Ultra 310LX a flat torque curve and linear power across the rev range. 
Ultra 310LX hasseamless power delivery due to its ability to channel compressed air through the engine at a steady rate, instead of in waves, as other superchargers do. And its liquid-cooled intercooler helps to cool the compressed intake charge as it enters the combustion chambers. Cooler air equals denser air, which means less power is lost to performance robbing engine heat.
The Ultra 310LX benefits from many key components being incorporated into the design and build of this machine. For example, the 310LX features a specifically shaped intake manifold that is long and slim to increase low-mid range power, while power and impressive fuel efficiency are achieved via a high-flow fuel pump. Kawasaki’s Fuel Economy Assistance mode in the Electronic Control Unit (ECU) significantly increases range for long-distance riding. 
The Ultra 310LX engine was built for long-lasting durability in a supercharged application. For starters, the 310LX’s pistons have a V-groove at the second ring (between the top and second ring grooves) for more consistent oil retention at high loads. To aid piston cooling, the oil jet system that cools the undersides of the piston crowns uses two jets per piston rather than just one for enhanced performance. Baffles in the oil pan prevent oil from accumulating on one side of the pan during tight turns or sudden acceleration or deceleration, and the crankcase also has large return holes to facilitate oil return to the pan. 
The engine water jackets are thick for optimum cooling performance, and feature a check-valve that opens when the engine is idling or stopped, but closes when it is running to keep the engine cool without over-cooling. The 310LX also incorporates a knock sensor that improves engine protection by retarding ignition to suppress abnormal combustion – or engine knock – if it should occur. The system activates a buzzer and the condition is indicated on the instrument panel to warn the rider. 
A perfect example of Kawasaki’s engineering know-how lies in the Ultra 310LX’s super-efficient oil cooler, which helps minimize engine temperatures by circulating oil between two cooling jackets. The result is 310 class-leading horsepower that’s also stone-reliable. 

An impressive collection of futuristic electronics is standard on the Ultra 310LX. Naturally, Kawasaki’s high-tech Electronic Control Unit (ECU) is the command center of the entire system.The ECU coordinates the injectors and throttle bodies of Kawasaki’s highly advanced DFI to route the optimum amount of air/fuel mixture into the combustion chambers with help from the Electronic Throttle Valve (ETV) system, which converts throttle lever inputs into electronic signals that are then passed on to the throttle body. 
Ultra 310LX has technologically superior rider aidsfor a range of riding modes. A few examples include the Fuel Economy Assist mode for maximum economy, which switches the ECU to a fuel map that focuses on gas mileage. There is also a one-touch 5mph mode for no-wake zones and a convenient Electronic Cruise Control system to set a steady cruising speed when touring. The Smart Learning Operation, or SLO-Mode, reduces engine output so newer riders can become familiar with the handling and response of the Jet Ski watercraft at a more relaxed pace. The customer is provided withtwo keys, one for SLO-Mode and the other for full-power operation, to help prevent confusion over which setting is in use.
Furthermore, the electronics package includes a smart Economical Riding Indicator on the digital display. This alerts the rider when the engine is operating in the most fuel-efficient manner, such as when planing at speeds where hull resistance is substantially reduced.
Electric Trim Control (ETC) is another example of the advanced technology that Kawasaki engineers have packed into the Ultra 310LX. The ETC allows the rider to control the nozzle angle of the 160mm jet pump to adjust the hull attitude to suit both water surface conditions and riding style. The system has a plus-or-minus range of eight degrees, and it allows the Ultra 310LX’s hull to take the fullest advantage of its razor-sharp turning characteristics. 
An advanced impeller design uses blade angles that provide superb acceleration out of the hole.During acceleration, when cruising or at high speed, horizontal guide “vanes” on the propulsion grate help with hull tracking and reduce cavitation during acceleration for better hook-up. It’s just one more detail item that adds up to the most advanced production watercraft propulsion system in the industry.
The Ultra 310LX’s race-derived, fiberglass-reinforced hull is meticulously designed to be both incredibly strong and surprisingly light. Special reinforcements inside the hull help it to retain strength so that its overall thickness can be optimized for low weight, which aids in maneuverability. The hull also features an ingenious cleaning system with a two-circuit design, with each circuit utilizing a dedicated flushing port for easy maintenance. Edgy-styled contours and nose trim combine to give the Ultra 310LX’s bow a sleek and aggressive look. 

When you’re the king of luxury watercraft, luxury has to be king, and the Ultra 310LX cockpit and rider accommodationsare as plush as they come. Kawasaki’s JETSOUND™ audio system simply takes the Ultra 310LX’s luxury to another level.
With its 2 x 20 watt-rated amplifier and pair of high-quality 30-watt speakers, the JETSOUND system is ready to rock. It’s practically a given that the JETSOUND would be iPhone® and iPod® compatible (the devices can be secured in the provided waterproof wet bag and stored in the glove box), but as an added feature it can also play music from a USB memory stick (up to 4GB), which can be plugged into an adapter located inside a waterproof aluminum case in the glovebox. Music volume and song selection are easily controlled by an audio controller on the handlebar (volume only with an iPod®, iPhone® or smartphone). JETSOUND reconfirms the 310LX’s status as top of the pops in luxury watercraft.
Ultra 310LX’s LXuryseat is designed for the ultimate in rider and passenger comfort. Its scalloped and contoured two-tone saddle offers generously thick padding that’s extraordinarily luxurious. For 2017, the Jet Ski Ultra 310LX continues to feature the industry’s first heat-resistant seat cover, which helps keep the rider and passengers cool on hot days. Also, the user-friendly passenger handrail ispositioned in a high, more natural ergonomic location to help reduce passenger fatigue.
Front and center is a highly-visible instrument panel with an all-LCD info screen design that’s not only futuristic but alsoallows the driver easy monitoring of all the machine’s vital information. Aided by a visor for easier viewing in sunny conditions, the highly legible LCD display boasts a fuel consumption function that can display gallons per hour or gallons per minute, a boost meter scale and riding-mode displays along with a range of other functions, including clock; time, trip and hour meter; digital or bar-graph tachometer; water and air temperature gauges; speedometer and max-speed functions. Keeping track of the Ultra 310LX’s vital signs is a cinch.
The Ultra 310LX’s ergonomic detailsare clearly comfort-oriented. Itshandlebar, which features a standard GPS-mountable handlebar pad that allows the mounting of a wide range of popular GPS devices, falls in a natural ergonomic position but is also adjustable to five different positions so it can fit a wide range of riders and riding styles. The wide baroffers plenty of leverage for easy maneuverability,and that makes long rides more comfortable. Gun-grip style handgrips offer a natural feel for reduced hand fatigue as well as sportier looks. 
The 310LX’s hull-mounted mirrors include a curvature that gives the rider a wide view for superb rearward visibility. Atwo-piece seat offers spacious accommodations for a rider plus two passengers, and its narrow front facilitates sitting or standing when the Ultra 310LX is ridden solo.

The Ultra 310LX’s deck design gives all the legroom they need for ideal comfort, and its unique deck goes a step beyond in the luxury department with Hydro-Turf® striped pattern deck matting that offers superior grip as well as a custom look. A reverse lever on the left side of the craft features is also ergonomically designed for easy operation.
With 20.6-gallons of fuel capacity – the most in its class – the Ultra 310LX offers plenty of range for long-distance rides. Up front, a handy storage bin with a generous 54-gallons of capacity is located under the front cowl, and dual drink holders keep refreshments within easy reach. Total combined storage capacity for the Ultra 310LX is an industry-leading
56 gallons. You really can take it with you!
The Kawasaki Jet Ski watercraft issynonymous with high-quality personal watercraft, and the Jet Ski Ultra 310LX PWC is synonymous with high-class luxury and performance.

Features and Benefits 

Key Features
- JETSOUND™ audio system, a first in personal watercraft, allows riders to listen to music while riding
- Contoured and scalloped three-passenger LXuryseat offers the ultimate in comfort for long-distance touring or casual riding, whether riding stand-up solo, seated or with passengers
- The industry’s firstheat-resistant seat cover helps keep the rider and passengers cooler on hot days
- Hydroturf® striped pattern deck matting provides classy looks and superior grip
- Supercharged DOHC inline four-cylinder engine produces a staggering 310 horsepower
- Impeller features a 3-blade design that gives the 310X strong initial acceleration 
- Strong and light, the 310LX’s deep-V hull offers superb straight-line tracking and precise cornering performance
- Industry-leading, 56-gallon storage capacity lets you bring your gear with you
- 20.6-gallon fuel tank is the largest in its class, providing tremendous range for long rides 
- Left-side reverse lever is ergonomically designed for easy operation
- Separate keys for full power operation and Smart Learning Operation

310-horsepowerSupercharged Engine 
- 1,498cc, liquid-cooled inline four-cylinder engine
- Eaton TVS constant-displacement supercharger and liquid-cooled intercooler boost performance and reliability 
- Intake manifold is shaped for optimum low-mid range power
- Cast pistons feature ring land V-grooves for superior 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
- Fuel pump provides superior fuel flow volume 
- Thick water jackets enhance cooling performance
- Check valve system between the cylinder jacket and water muffler that shuts water flow off above 
2,000rpm, to keep the cooling water inside the cylinder jacket for optimum cooling performance
- Two piston cooling oil jets increase piston cooling
- Oil pan features baffle plates to prevent oil slosh during tight turns or extreme acceleration/deceleration
- Crankcase oil return holes offer quick oil return to the oil pan

Eaton Twin Vortices Roots-type Supercharger
- Four-lobe, constant-displacement 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 flat and linear torque curve with mellifluous, lag-free power across the entire rev range 
- Produces more low-rpm boost than competitive or aftermarket systems, with a maximum of 17psi 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 – cooler air is denser and makes more power 
- Liquid-cooled intercooler design maintains consistent thermal performance 

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

- 4-into-2-into-1 exhaust system routes the exhaust pipe upward and allows the smoothest path for exhaust gases, maximizing exhaust efficiency

160mm Jet Pump
- Large-diameter, race-developed 160mm jet pump efficiently converts the Ultra 310LX’s massive horsepower output into instantaneous thrust 
- Pump is designed to deliver consistent output and good “bite” even in rough water conditions
- Impeller features a 3-blade design that gives the 310LX increased acceleration performance at the hit of the throttle
- Eight-vane intake guides and regulates the flow of water to the impeller for consistent, efficient and powerful propulsion

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

Electric Trim Control System
- Allows the angle of the jet pump nozzle to be controlled by the rider 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
- Convenient electronic cruise control smoothly holds a set speed from five mph 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
- Redundancy in the system helps ensure control is maintained in case of failure 
- One-touch, push-button five mph mode allows hassle-free no-wake zone riding
- Fuel Economy Assistance mode revised for significant fuel savings and increased range
- Economical Riding Indicator mode can be viewed on a graph on the LCD info screen 
- Eco Mode reduces and smoothes engine performance while conserving fuel

Strong, Light Hull Design

- Designed to emulate the performance of Kawasaki’s IJSBA championship-winning race machines 
- 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-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
- Bottom of the hull slants upward steeply from the center section to the bow, so the 310LX 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 310LX’s excellent maneuverability while helping to retain the narrow hull design

Quattro KSD
- The 310LX’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 straight-line riding atany speed. 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, intelligently 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 Skiwatercraft 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

Comfort and Convenience
- Contoured and scalloped three-passenger LXuryseat offers the ultimate in comfort for long-distance touring or casual riding, whether riding stand-up solo, seated or with passengers
- The industry’s firstheat-resistant seat cover helps keep the rider and passengers cooler on hot days
- Passenger handrail is located in an ergo-friendly location to reduce passenger fatigue and features a handle for better grip
- Ergonomic deck design gives plenty of legroom
- Hydro-Turf® striped pattern deck matting provides classy looks and superior grip
- Left-side reverse lever is ergonomically designed for easy operation
- Quick and easy hose connection allows a simple method to flush sea water out of the engine 
- JETSOUND™ audio system, a first in personal watercraft, allows riders to listen to music while riding
- Optimally curved mirrors have been revised for a wider rear view
- Mirrors aremounted to the upper deck via brackets

Capacious Storage
- The Ultra 310LX offers a class-leading 56-gallons of total storage capacity
- 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

Extra-large Fuel Capacity
- 20.6-gallon fuel tank boasts more capacity than any machine in its class, extending range

Digital Instrumentation
- Easy-to-read LCD screen features an easy-to-read face design
- Instrumentation includes a fuel consumption function, revised boost meter scale, riding modes, 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 the rider when the speed and throttle opening is in the 310LX’s most efficient range

Kawasaki personal watercrafts, 310 good reasons to ride them

Kawasaki put all the knowledge learned in the heavy industry inside its durable and reliable hulls and designs, all the knowledge learned in the motorcycle races inside its powerful engines and much more to fit what the customer desire from a watercraft. 


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