Vehicle Profile

The thrilling ride offered by the 2019 Kawasaki Jet Ski® Ultra® 310X watercraft starts with the Jet Ski Ultra 310X. Fueled by a 1,498cc four-cylinder supercharged engine inspired by Ninja® motorcycle-derived technology, the Jet Ski Ultra 310X is boosted by an Eaton Twin Vortices Series (TVS) supercharger for breathtaking power. With three-passenger seating and 20.6-gallon fuel capacity, the Jet Ski Ultra 310X is set for a full day of fun on the water.

Take it for a ride today


  • Engine


    Supercharged and intercooled, 4-stroke, DOHC, four valves per cylinder, inline 4-cylinder



    Bore x Stroke

    83.0 x 69.2mm

    Compression Ratio


    Maximum Boost

    16.8 psi

    Cooling System

    Inducted water

    Fuel System

    DFI® with 60mm throttle body


    TCBI with digital advance

    Starting System


    Propulsion System

    160mm jet pump, axial-flow, single stage


    3-blade, oval-edge stainless steel


    1890 lb


    Semi-dry sump system

  • Totals

    Oil Capacity

    5.8 qt

    Fuel Capacity

    20.6 gal

    Load Capacity

    496 lb

    Storage Capacity

    56.0 gal

    Overall Length

    132.7 in

    Overall Width

    47.0 in

    Overall Height

    45.3 in

    Curb Weight

    1051.8 lb**

    Seating Capacity


  • General


    Eaton Twin Vortices Series Roots-type supercharger with air-to-water intercooler


    Direct drive from engine

    Color Choices

    Ebony/Sunbeam Red

    Kawasaki Protection Plus (optional)

    12, 24, 36, or 48 months

  • Guarantee


    12 Month Limited Warranty

**Curb weight includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90 percent capacity) and tool kit (if supplied).

Specifications subject to change

KAWASAKI CARES: Ride responsibly. Kawasaki believes safety begins with us and continues with you. Always wear a USCG-approved personal flotation device, eyewear, and other appropriate safety apparel. Never ride under the influence of drugs or alcohol. Respect the rights of shoreline residents and other marine recreationists. Boat smart from the start. Take a Boating Safety course; for more information visit Jet Ski® watercraft are inboard powerboats and their use is subject to all applicable federal, state, and local boating laws. Read Owner’s Manual and all on product warnings. ©2020 Kawasaki Motors Corp., U.S.A.

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