2026 Kawasaki Jet Ski Ultra 310LX‑S: Specs, Pricing & Where to Order

If you're shopping for a supercharged, full-size personal watercraft built for both performance and comfort, the 2026 Kawasaki Jet Ski Ultra 310LX‑S is one of the strongest contenders in the segment. It offers 310 horsepower, advanced rider tech, and a spacious three-passenger layout — making it well-suited for high-speed recreation, long-distance cruising, and tow sports alike.

In this guide, we’ll walk you through the specs, pricing, and key features to know before you place an order.

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Is the 2026 Kawasaki Jet Ski Ultra 310LX‑S Right for You?

The Ultra 310LX‑S is a great match for riders who want full power, premium features, and all-day comfort without stepping up to the absolute top-tier luxury trim.

It’s ideal if:

• You want one of the most powerful production PWCs on the market (310 HP)
• You regularly ride with passengers or carry gear
• You prioritize a smooth, stable ride even in rougher waters
• You want tech features like smartphone connectivity and a rearview camera

It’s not the cheapest option out there, but for the performance and features you get, it’s a solid long-term value for serious riders.

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2026 Kawasaki Jet Ski Ultra 310LX‑S Specs, Engine & Features

At its core, the Ultra 310LX‑S features a 1,498cc supercharged inline-four engine — one of the most powerful in the industry. Combined with a deep-V hull and Kawasaki’s intelligent handling systems, this Jet Ski delivers high-speed stability and confident control.

Key Specs:

• Engine: 1,498cc, supercharged, intercooled 4-cylinder
• Horsepower: Approx. 310 HP
• Fuel Capacity: 21.1 gallons
• Storage Capacity: 44.5 gallons (168.5 liters)
• Seating: 3-passenger
• Curb Weight: Approx. 1,122 lbs
• Overall Length: 140.9 in
• Instrumentation: Full-color TFT with smartphone connectivity

Features:

• Rearview camera
• Extended rear deck with ULTRA Deck
• LED accent lighting
• Smart steering and riding modes
• Kawasaki Smart Reverse with Deceleration (KSRD)

It’s a performance machine built with the comfort and usability to handle weekend cruising or aggressive riding alike.

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How Much Does the 2026 Jet Ski Ultra 310LX‑S Cost?

The 2026 Kawasaki Jet Ski Ultra 310LX‑S comes in at a premium price point, reflecting its supercharged engine, advanced tech, and comfort-focused design.

Starting MSRP:

• Base Price: $20,799 USD

Additional Costs to Consider:

• Trailer: Typically not included; expect an additional $1,000–$1,500
• Freight & Setup Fees: Varies by dealer, often $700–$1,200
• Optional Accessories: Covers, docking gear, or tow packages can add more

Depending on dealer location and options, your out-the-door price may land closer to $22,500–$24,000. It’s a serious investment — but for riders who want flagship-level performance, it’s right on target.

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What Comes Standard & What Can You Upgrade?

The 2026 Kawasaki Jet Ski Ultra 310LX‑S is well-equipped out of the gate, offering most of the comfort and performance features you’d expect from a top-tier PWC.

Standard Features:

• Supercharged 310 HP engine
• Full-color TFT display with Bluetooth and smartphone integration
• Rearview camera
• LED accent lights
• Extended rear deck with ULTRA Deck
• Three-person seating with contoured touring seat
• Multiple riding modes and Kawasaki Smart Reverse with Deceleration (KSRD)

Optional Upgrades & Accessories:

• Jet Ski cover
• Custom trailer
• Tow sport accessories (rope, mounts, inflatable gear)
• Extended warranty and maintenance packages

While the LX-S omits a few luxuries found on the 310LX (like the JETSOUND audio system), it delivers nearly everything else at a slightly lower price.

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Where to Buy the 2026 Jet Ski Ultra 310LX‑S & What to Expect

You can purchase the 2026 Kawasaki Jet Ski Ultra 310LX‑S through authorized Kawasaki dealerships across the U.S. and internationally. Most dealers carry limited in-season inventory, so it’s best to check availability early if you're set on a specific color or package.

What to Expect:

• Review model availability and pre-order options
• Get a price breakdown with freight, setup, and accessories
• Ask about financing, trade-ins, and warranty plans
• Arrange pickup or delivery depending on dealer services

Because demand for high-performance models can be high in peak months, early inquiries are often the best way to secure your unit.

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Frequently Asked Questions

1. What engine powers the 2026 Kawasaki Jet Ski Ultra 310LX‑S?

It runs a 1,498cc supercharged and intercooled 4-cylinder engine producing approximately 310 horsepower.

2. How fast is the Ultra 310LX‑S?

Top speed is typically in the 67–70 mph range, depending on load and water conditions.

3. Does it come with a trailer?

No, trailers are usually sold separately. Check with your dealer for package options.

4. What’s the fuel capacity and how long can it run?

It holds 21.1 gallons of fuel, giving it excellent range for extended outings, though fuel burn varies with riding style.

5. Is the LX‑S different from the LX model?

Yes. The LX‑S skips the factory audio system and a few trim upgrades found on the LX but retains the same engine and core features.