2025 Kawasaki JET SKI ULTRA 310X

2025 Kawasaki Jet Ski Ultra 310X – Supercharged Power | Race-Inspired Performance | Built to Dominate

The 2025 Kawasaki Ultra 310X is engineered for riders who want maximum performance, aggressive handling, and proven reliability in one of the most powerful personal watercraft on the market. Built on Kawasaki’s flagship Ultra platform, the 310X delivers explosive acceleration, high-speed stability, and a confidence-inspiring ride in all conditions.

Combining race-developed technology with modern styling and rider-focused ergonomics, the Ultra 310X stands as a performance-first machine designed to push limits on the water.

Engine & Performance

At the heart of the Ultra 310X is Kawasaki’s legendary supercharged powerplant:

• 1,498cc inline 4-cylinder marine engine
• Supercharged & intercooled (Eaton Twin Vortices system)
• ~310 HP-class output
• Digital fuel injection system
• High-performance 160mm jet pump with stainless steel impeller

This setup delivers instant throttle response, aggressive low-end torque, and strong top-end speed, placing the Ultra 310X among the fastest production PWCs available.

Performance Features

• Launch Control Mode (KLCM) for maximum acceleration
• Selectable Power Modes (Full / Middle / Low / SLO)
• Electronic throttle system for smooth, precise control

Whether you’re pulling riders, racing across open water, or carving through chop, the 310X delivers consistent, high-performance output.

Hull & Handling

Built on a race-proven deep-V hull, the Ultra 310X offers exceptional control and ride quality:

• Deep-V hull for rough water performance
• Precise tracking and cornering stability
• Wide, stable platform for confidence at speed
• Lower, flatter deck for improved rider positioning

This hull design gives the 310X a planted, aggressive feel, allowing riders to stay in control even in challenging water conditions.

Design & Styling – 2025

The 2025 Ultra 310X features Kawasaki’s “dynamic luxury” design, blending aggressive styling with premium finishes:

• Sculpted, three-dimensional deck design
• Sharper front-end profile
• High-quality fit and finish throughout

Factory Color

• Ebony / Neon Red

This bold color combination delivers a high-contrast, performance-driven look, ensuring the 310X stands out both at the dock and on the water.

LED Lighting & Visual Presence

• Integrated LED accent lighting in the front bumper
• Creates a sharp, headlight-style signature look
• Enhances visibility and overall presence

These lighting elements give the Ultra 310X a modern, aggressive identity, setting it apart from traditional PWCs.

Technology & Helm

The Ultra 310X is equipped with a fully modern control system:

• 7” full-color TFT display
• Bluetooth smartphone connectivity
• Multiple display modes
• Jog-dial controller for easy operation

This system provides a clean, intuitive interface, allowing riders to monitor performance, adjust settings, and stay connected while riding.

Rider Assistance & Control

• Electronic Cruise Control for long-distance comfort
• Kawasaki Smart Reverse with Deceleration (KSRD) for easy maneuvering
• Economical Riding Indicator for improved efficiency
• ERGO-FIT® adjustable riding position

These features combine to deliver a balanced riding experience, offering both performance and usability.

Deck Layout & Storage

The Ultra 310X is designed for both performance and practicality:

• Total storage capacity: approx. 168.5 litres
• Large 124L front storage compartment
• 40L easy-access storage behind handlebars
• Waterproof storage compartment
• Rear storage pocket

Ultra Deck Features

• Extended rear platform
• Built-in cleats for docking
• Multi-Mount system for accessories

Perfect for:

• Boarding and reboarding
• Watersports setup
• All-day riding and gear storage

Comfort & Ergonomics

• 3-passenger slim seat design (narrower at knees for control)
• Spacious footwells for improved stability
• Comfortable riding position for long sessions

The 310X is built to feel connected and responsive, making it ideal for aggressive riders while still offering comfort for cruising.

Dimensions & Capacity

• Length: 135.4 in (11’3”)
• Width: 47.0 in
• Fuel Capacity: 21.1 gallons (80L)
• Seating Capacity: 3 passengers

Key Highlights

• Supercharged 310 HP-class engine
• Deep-V hull for aggressive handling
• Launch control + selectable power modes
• 7” TFT display with smartphone connectivity
• Massive 168.5L storage system
• Integrated LED accent lighting
• Bold Ebony / Neon Red colorway

Why the Ultra 310X

The 2025 Ultra 310X is built for riders who want:

• Maximum performance and acceleration
• Sport-focused handling and control
• A clean, performance-first setup without luxury extras
• Proven Kawasaki reliability and engineering

It delivers the same flagship platform as the LX models, but in a package that is lighter, more aggressive, and focused purely on the ride.

The Bottom Line

The Ultra 310X isn’t just one of the fastest PWCs available—it’s a precision-built performance machine designed to deliver excitement every time you hit the throttle.

If you’re looking for raw power, sharp handling, and a true rider-focused experience, the 310X is exactly where you want to be.