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2017 ULTRA 310LX
Discerning watercraft enthusiasts know better than to fall for flashy graphics splashed over questionable engineering when
they can have the perfect blend of performance and top-of-the-line quality backed by years of know-how from the people
who introduced the sport of personal watercraft recreation in the first place, Kawasaki.
The 2017 Jet Ski ULTRA 310LX PWC gives those experienced enthusiasts exactly what they want: the ultimate combination
of class-leading power, precise handling and superior luxury.
The JETSOUND™ audio system, a first in personal watercraft, allows riders to listen to music while riding
Contoured and scalloped LXury three-passenger seat offers the ultimate in comfort for long-distance touring or
casual riding, whether riding stand-up solo, seated or with passengers
The industry’s first heat-resistant seat cover helps keep the rider and passengers cooler on hot days
Hydroturf striped pattern deck matting provides classy looks and superior grip
The supercharged DOHC inline four-cylinder engine produces a staggering 310 horsepower; It’s the most powerful
production PWC in history
The pump impeller features a super-efficient 3-blade design that gives the 310LX great initial acceleration
Strong and light, the 310LX’s deep-V hull offers superb straight-line tracking and precise cornering performance
Industry-leading, 212L storage capacity lets you bring all your gear with you
78L 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
The JETSOUND audio system, a first in personal watercraft, allows riders to listen to music while riding. For those who feel
life is better with a soundtrack when blasting across the water on a supercharged Jet Ski, the new Jetsound audio system is
for you!
The audio system was jointly developed with ASA Electronics (makers of Jensen). Standard equipment on the Ultra 310LX,
the system includes an amp and audio controller (built into the handle), and two speakers (positioned below the mirrors).
The amp is rated at 20W (x 2 channels); max 40W x 2 channels. The speakers are rated at 30W each; max 60W x 2
The system is compatible with iPod and iPhone, other smartphones, and other audio players that have a stereo pin jack
output and provide files in MP3 format. The system can also play music files from a USB memory stick.
The waterproof aluminium case in the glove box is provided for playback from a USB memory stick. The system can handle
USB memory sticks up to 4GB. For iphone / iPod use, connect with the equipped stereo pin jack (3.5mm). A water resistant
storage case is provided standard and is compatible with models / sizes up to iPhone 4S.
The 1,498cc, liquid-cooled inline four-cylinder engine makes 310 horsepower via a low mechanical loss design and improved
efficiency. The Eaton TVS constant-displacement supercharger and liquid-cooled intercooler provide instant and consistent
boost for outstanding performance throughout the rev range.
Heat-resistant plastic intake manifold is shaped to improved low-mid range power
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
The reinforced crankcase adds to engine’s durability and reliability
Fuel pump provides a high pressure, high flow fuel for increased power and better fuel efficiency.
Thick 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
Piston cooling oil jets increased from one jet per piston to two jets per piston for increased piston cooling
Oil pan features additional baffle plates to prevent oil slosh during tight turns or extreme acceleration/deceleration
Crankcase oil return holes are designed for quicker oil return to the oil pan
**Horsepower measured in PS at the crankshaft under controlled conditions. Actual performance may vary.
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.
To suit the 160 mm jet pump, the Ultra 310LX gets an impeller
designed to efficiently convert all the extra power into forward
thrust. The pump impeller features a super-efficient 3-blade design
that gives the 310LX great 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.
Ultra 310LX’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
during high speed turns.
Whether turning or blasting straight ahead, at high speeds or low,
the Quattro KSD minimises spray, allowing greater rider
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.
The handlebars are 5-way adjustable and suit a wide range of riders
and riding styles and allows comfortable stand-up or seated riding
The redesigned left side reverse control is even easier to use.
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
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 assists 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 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 manoeuvrability while helping to retain the narrow hull design.
Sponsons extend from 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 310LX utilises a, large 160mm jet pump, designed using eight
guide vanes. The pump delivers superior “traction” in rough water conditions and significantly contributes to the Ultra
310LX’s mind-boggling acceleration.
The pump is designed to deliver consistent output and good “bite” even in rough water conditions. The pump impeller
features a super-efficient 3-blade design that gives the 310LX 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 300LX 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.
Electronic Trim Control System allows the rider to control the angle
of the jet pump nozzle to suit water surface conditions and riding
Adjustment range is plus or minus 8 degrees from standard.
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.
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 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
Compact integrated underseat storage area is ideal for small
items like a ski rope
Total storage capacity of 212L on the Ultra 310LX
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.
The Ultra 310LX is equipped with a comfort seat designed for enhancing cruising. Shaped for a good ergonomic fit, the
comfort seat offers ultra-comfortable accommodation for three. Enhancing comfort on a hot day, the seat's new cover is
made from revolutionary new material that resists heat gain, so the seat does not get as hot after sitting in the sun between
rides. The stitching and the Jet Ski logo are some high quality touches that add to the Ultra 310LX's premium image.
Handle grips are positioned at a fairly wide stance, contributing to rider-friendly control. The redesigned handrail is slimmer
at the front (between the rider's legs when standing), making it easier for rider's to grip with their legs. Handrail also
features a more ergonomic shape at the rear, positioning the handrail higher, and offering a more concave grip.
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. The Ultra 310LX also has the option of a GPS mountable handlebar pad to accommodate a Garmin
72/76/78 Series GPS device.....helping you go further, safely. A separate mounting bracket is required to fit the GPS unit.
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.
LCD screen features a face design that’s easy to read. The
instrumentation includes a fuel consumption function, a 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. The Kawasaki Eco Mode reduces
and smoothes engine performance while conserving fuel.
The Ultra 310LX features Kawasaki’s innovative electronic Smart
Learning Operation (SLO) system which can be programmed to
speed-limit the engine to assist novice riders in mastering their
riding technique without worrying about excessive speeds.
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.
Kawasaki Smart Steering® (KSS®) monitors steering input and
engine speed and, when certain conditions are met, intelligently
raises rpm to help initiate a turn.
A great range of Genuine Kawasaki accessories are available from
your local Kawasaki Jet Ski Dealership.
Engine Type:
Supercharged Intercooled, 4-stroke In-Line Four
1498 cm
Bore X Stroke:
83 x 63.2 mm
Compression Ratio: 8.2 : 1
Valve System:
DOHC 4 valve per cylinder
Fuel System:
Electronic Fuel Injection: 60 mm x 1
Battery Coil (Transistorised Ignition)
Inducted water
Drive System:
Direct drive from engine
Axial flow, single stage
8,407N {857kgf}
Impeller Diameter: 160 mm
Steerable Nozzle
Maximum Power:
228kW {310 PS} / 8,000 rpm
Maximum Torque:
269 N-m {29.2 kgf-m} / 6,000 rpm
Overall Length:
3,370 mm
Overall Width:
1,195 mm
Overall Height:
1,255 mm
Fuel Capacity:
78 litres
Curb Mass:
487 kg includes full full tank, tool kit, and all fluids at optimum levels
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