Ultra 310X – 2016

General Details


Kawasaki JET SKI personal watercraft have a long history of high performance. While the JET SKI ULTRA 300X and 300LX are already known as powerhouses on the water, Kawasaki engineers were still not satisfied.

By increasing engine efficiency they were able to increase output of the supercharged engine to 310 PS* – the highest in JET SKI’s 40-year history – to ensure the JET SKI brand remains synonymous with personal watercraft supremacy.

Delivering even higher levels of performance and excitement, the new JET SKI ULTRA 310 Series is comprised of four models. Joining the X and LX models are two new variations, the R (Sport) and a special edition X model, enabling Kawasaki to meet the needs of a wider range of customers.

Type 4-stroke In-Line Four
Displacement 1,498 cm3
Bore and Stroke 83 x 69.2 mm
Compression ratio 8.2:1
Valve system DOHC, 16 valves
Fuel system Fuel injection: ø60 mm x 1
Intake system Supercharger and intercooler
Ignition Digital
Starting Electric
Cooling Inducted water
Lubrication Forced lubrication, semi-dry sump
Coupling Direct drive from engine
Type Axial flow, single stage
Thrust 8,407 N {857.3 kgf}
Impeller diameter 160 mm
Steering Steerable nozzle
Maximum power 228 kW {310 PS} / 8,000 rpm
Maximum torque 286 N.m {29.2 kgf.m} / 6,000 rpm
Overall length 3,370 mm
Overall width 1,195 mm
Overall height 1,150 mm
Curb mass 477 kg
Fuel capacity 78 litres

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