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Ultra 300X

Candy Lime Green/Ebony
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With a long-standing history of leading the industry in performance, the premier choice for power on the water is the Kawasaki Jet Ski Ultra 300X watercraft. Undisputed power, care of the supercharged and intercooled 1,498cc in-line four cylinder engine, is backed by cutting edge technology. And with seating for three, there is plenty of room to share the thrills it creates.


Displacement 1,498cc
Type 4-stroke, In-Line Four
Bore and stroke 83.0 x 69.2 mm
Cooling Inducted water
Compression ratio 8.4:1
Valve system DOHC, 16 valves
Fuel system Fuel injection: 60 mm x 1 Mikuni
Ignition Digital
Lubrication Forced lubrication (semi-dry sump)
Starting Electric
Intake System Supercharger and intercooler


Overall length 3,370 mm (132.7 in.)
Overall width 1,195 mm (47.0 in.)
Overall height 1,150 mm (45.3 in.)
Curb mass** 472 kg (1,040.6 lbs.)
Fuel capacity 78 litres (17.2 gal.)
Storage Capacity 212 litres (46.6 gal.)
Oil Capacity 5 litres (1.1 gal.)

Drive system

Coupling Direct drive from engine
Type Axial flow, single stage
Thrust 8,136 N {829.6 kgf}
Impeller Three-blade, oval-edge stainless steel
Impeller Diameter 160 mm (6.3 in.)
Steering Steerable nozzle

Electrical equipment

Instrumentation All-digital speedometer, fuel level gauge, tachometer, boost, oil level, trip, hour meter, external air & water temperature
Smart Learning Operation (SLO) Slow Key, Full Power Key


Maximum Power 221 kW {300 PS} @ 7,750 rpm
Maximum Torque 272 N.m {28 kgf.m} @ 7,250 rpm
Minimum Turning Radius 4.0 m (13.1 ft.)
Seating Capacity 3
Boost 17.0 psi peak


Warranty 12 months warranty

Factory Limited Warranty Owner's Warranty Guide

This model comes with 12 months factory limited warranty. 


Kawasaki keeps the good times rolling with unlimited kilometers/hours of usage. We have you covered with our nationwide, Kawasaki dealer network. Visit any authorized Kawasaki dealer (for this product line) throughout Canada and continental USA for factory warranty coverage.


Click “Owner’s Warranty Guide” for full details regarding Kawasaki’s factory limited warranty coverage.

Kawasaki Protection Plus Learn More

Kawasaki’s own Kawasaki Protection Plus (KPP) goes the distance with available two, three, and four years of unlimited kilometers/hours additional coverage on top of the original Kawasaki limited warranty. That’s up to seven years total coverage depending on the base warranty term!


Feel secure knowing that Kawasaki Protection Plus repairs are performed only at authorized Kawasaki dealers (for this product line) throughout Canada and continental USA using only Kawasaki genuine parts.


Enjoy additional peace of mind with roadside assistance on street legal motorcycles. Buy early - roadside assistance coverage begins when you buy KPP.


No surprises. There’s no deductible fees with KPP for covered repairs.


Click “Learn More” for more details regarding Kawasaki Protection Plus.



Special offers

4.9% Special Retail Financing

Take advantage of our Special Retail Financing offer for as little as 4.9% APR OAC for 60 months. Visit your local Kawasaki dealer today for complete details and get moving - for less - right now.

*Limited time purchase financing offer for 60 months on select new, unused 2013, 2014 and 2015 Kawasaki models sold by participating authorized Canadian Kawasaki Motors Dealers, available on approved credit. See dealer for complete details. Offer ends December 31, 2015. Offer cannot be combined with any other special offers.

Jet Ski Offer: Mega Cash + KPP

Get peace of mind with the 48 Months Kawasaki Protection Plus in addition to our 12 month Kawasaki Factory Warranty PLUS up to $1500 in MEGA CASH instant credits.

The Jet Ski Mega Cash + KPP offer is available on select new 2013, 2014 and 2015 Jet Ski models sold by Canadian Kawasaki Motors Inc., purchased between October 1, 2015 and December 31, 2015. Receive 48 months of KPP in addition to the factory warranty of 12 months, PLUS MEGA CASH instant credits with the purchase of a JT1500HDF – Ultra 300X. Instant MEGA cash credits vary from $500 (JT1500AFF - STX-15F) to $1500 (JT1500LEF - Ultra 310X), depending on the model. This promotion is time limited and certain conditions will apply. The Jet Ski Mega Cash + KPP offer cannot be combined with any other offer unless otherwise indicated. See your dealer for complete details.


Fuel Efficient

Vehicles that have a fuel efficiency rating under 5.5L/100km.


Electronic Cruise Control

Electronic Cruise Control allows a desired speed (engine rpm) to be maintained with the simple press of a button. Because the rider does not have to constantly control the throttle, this system allows relaxed cruising. This reduces stress on the right hand when travelling long distances, contributing to a high level of riding comfort. 

Electronic Cruise Control is featured on Kawasaki's Vulcan 1700 / VN1700 Series cruisers and JET SKI ULTRA 300X and 300LX personal watercraft. These models are equipped with an Electronic Throttle Valve system, meaning the throttle valves are not actuated directly by twisting the throttle grip (or pulling the throttle lever); rather, a position sensor on the throttle grip sends a signal to the ECU, which in determines the ideal throttle position. This is how Electronic Cruise Control is able to automatically adjust engine power to maintain vehicle speed when ascending or descending grades are encountered. Without the detailed control offered by Electronic Throttle Valves, functions like Electronic Cruise Control would not be possible.

Economical Riding Indicator

Using high-precision electronic control for engine management, Kawasaki models can achieve a high level of fuel efficiency. However, fuel consumption is greatly affected by throttle use, gear selection, and other elements under the rider's control. The Economical Riding Indicator is a function that indicates when current riding conditions are consuming a low amount of fuel. The system continuously monitors fuel consumption, regardless of vehicle speed, engine speed, throttle position and other riding conditions. When fuel consumption is low for a given speed (i.e. fuel efficiency is high), an "ECO" mark appears on the instrument panel's LCD screen. By riding so that the "ECO" mark remains on, fuel consumption can be reduced. 

While effective vehicle speed and engine speed may vary by model, paying attention to conditions that cause the "ECO" mark to appear can help riders improve their fuel efficiency – a handy way to increase cruising range. Further, keeping fuel consumption low also helps minimise negative impact on the environment.

Fuel Economy Assistance Mode

By pushing the handle switch, riders are able to activate the Fuel Economy Assistance Mode, switching the ECU to a leaner fuel map in which ignition timing and fuel injection prioritise fuel economy. Rather than engine response or power, this mode favours reduced fuel consumption, aiming to increase fuel economy when riding at a constant speed. When riding in areas where gasoline stands are scarce, or when cruising across the continent, being able to make the same amount of fuel last longer is a considerable benefit. 

Maximising the effectiveness of the Fuel Economy Assistance Mode requires a gentle use of the throttle. In the case of the 1400GTR / Concours 14, this means keeping engine rpm under 6,000 rpm, throttle under 30%, and speed under 160 km/h. Nevertheless, especially when used in conjunction with the Economical Riding Indicator, this mode can contribute to significant savings in fuel costs over long distances.

Best kept secret

* The Manufacturer's Suggested Retail Price does not include freight, pre-delivery inspection or applicable taxes. The final price is at the discretion of the dealer. Prices and Specifications are subject to change without prior notice. The amount indicated as "Your price" may include an optional instant Mega Cash credit that is deducted from the manufacturer's suggested retail price before taxes. This promotion is time limited and certain conditions will apply. See your dealer for complete details. Offer not available on financed purchases and cannot be combined with any other special offers. The final price is at the discretion of the dealer. Prices and Specifications are subject to change without prior notice.

** Includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90% of capacity) and tool kit (if supplied)

† Mega Cash noted with the MSRP, is a Special Offer that cannot be combined with any other special offer. Customers can choose a different current Special Offer, but they will be charged the full MSRP listed price and not the Mega Cash price.

‡ Power / Torque figures measured at the crankshaft.

The specifications mentioned here apply to and have been achieved by production models under standard operating conditions. We intend only to give a fair description of the vehicle and its performance capabilities but these specifications may not apply to every machine supplied for sale. Kawasaki Heavy Industries, Ltd. reserves the right to alter specifications without prior notice. Equipment illustrated and specifications may vary to meet individual markets. Available colours may vary by market.