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HomeShopJetski & Snowmobile2018 SEA-DOO RXT-X 300 RS

2018 SEA-DOO RXT-X 300 RS



Engine type Rotax 1630 ACE
Intake system Supercharged with external intercooler
Displacement 1,630 cc
Cooling Closed-Loop Cooling System (CLCS)
Reverse system Electronic iBR
Starter Electric
Fuel type 87 octane – minimum
91 octane – recommended
Fuel capacity 15.9 US gal / 60 L
Length (bumper to bumper) 135.9’’ / 345.1 cm
Width 49.4’’ / 125.5 cm
Weight (dry) 828 lb / 376 kg
Storage capacity 27 US gal / 102.5 L
Rider capacity 3
Weight capacity 600 lb / 272 kg
Hull type ST3
• Longer and larger platform
• Rough water and offshore inspired deep-V hull
• Stable and predictable


2018 SEA-DOO RXT-X 300 RS

Sea Doo RXT-X 300RS


300hp- Supercharged
Meticulously Maintained, with only 56 hours
60 Litre Fuel Capacity
Closed Loop Cooling System
Intelligent Brake & Reverse System
X Package Sponsons for cornering & Stability
Ergolock Narrow Racing Seat, Angled Foot Well Wedges & Adjustable X Steering
Variable Trim System with Launch Control
Waterproof Phone Enclosure
102.5 Litre Storage
Accessories Included: Boarding Step, 3 x Vests, Retractable Anchor, Extinguisher, & Cover


Features may include:

Configurable. Comfortable. Groundbreaking.
Large swim platform
Built for hanging out on the water with the largest swim platform in the industry. Flat, stable and comfortable, it’s ideal for boarding, lounging, and prepping for tow sports. Create even more space by removing the rear seat.
Your Sea-Doo essentials are included
Limited package
Get exclusive extras like a watercraft cover, audio system with USB port and storage bin organizer. Plus a depth finder, water temperature gauge, and more. Sea Doo RXT-X 300RS


Ride high and dry

Intelligent Debris Free Pump System (iDF)
Next level peace of mind on every ride. With the ingenious iDF system riders can clear a clogged intake in seconds without ever leaving the seat. A simple push of a button reverses pump flow to effortlessly clear debris.


At Rest. At Speed. Always Steady.

Stable and predictable hull
Whether you’re at high speeds pounding rough offshore waters, at rest hanging out in a cove or you’re simply boarding from the side, the wider hull offers industry leading stability thanks to a lower center of gravity and improved hull design.


Ingenious storage

Direct access front storage
All your gear is now within arm’s reach. The industry’s first direct-access front storage opens by simply raising the handlebar assembly. No standing required. It’s the smartest water-resistant storage we’ve ever built into a watercraft, offering room for your next adventure.


Fast. Easy. Secure.

Rear cargo LinQ system
Extra rear storage is now possible with the secure quick-attach LinQ system. It allows to easily snap a fuel caddy, a bag, a cooler and more, to the back of your watercraft using two convenient, integrated attachment points.


Touring Features

Comfort and Convenience
Spend all day touring with these standard features: iDF Debris Free Pump System, Tilt Steering, Speed Regulator Mode and Slow Mode and a Boarding Ladder for pure comfort and enjoyment.


Pure Rotax power

300 HP
The Rotax 1630 ACE engine delivers 300 HP of pulse-pounding excitement and comes equipped with Advanced Combustion Efficiency (ACE) technology for exceptional economy.


Intelligent brake and reverse

The Industry’s first and most intuitive on-water brake
Recognized by the U.S. Coast Guard for improving boat safety and now in its third generation, the Sea-Doo exclusive iBR system allows you to stop sooner. With both hands on the handlebars, riders can engage forward, neutral, and reverse for stable, worry-free maneuvering at low speeds.


7.8-inch wide color display

Hi-Res Bluetooth Gauge
Stunning colors and crystal clear display shows vehicle data and pairs with compatible phone apps via BRP Connect to show maps, weather and more on your dash. And take full advantage of improved sound quality and intuitive speed-sensitive volume control.


Closed-loop cooling system

A Sea-Doo Exclusive
This technology prevents corrosive saltwater and damaging debris from entering the engine, for increased reliability and peace of mind.
Music onboard.

Built for large bodies of water with the 300-hp Rotax 1630 ACE engine and Ergolock system. The SEA-DOO rxt-x 300 lets you push your limits further.


How fast do Jet Skis go?

The slowest ones hover around 40 MPH while the fastest ones are capped at 65 MPH these days. Sure, you can see over 70 MPH on some machines but nowadays it’s become about who can get to 70 MPH the quickest.

One common question I get asked all the time is “what is the top speed of…”. To answer this question I’ve gone through and listed the top speeds I’ve experienced on each machine.

These numbers may not be exact and you may not experience them. These numbers are to give you an idea of how fast one watercraft is to the other.

Always give the top speed a plus or minus 5 mph for rider weight and water conditions.



Seadoo Spark

Top Speed of 60HP Spark is about 40mph.

Top Speed of the 90HP Spark is about 50mph.

The spark is perfect for anyone new to watercraft, start here!


GTS 130

Top Speed of the GTS 130 is about 55mph.

The GTS is only good for rental companies if new not a rental company then choose either a Spark or a GTI instead.



The top Speed of the GTI 90HP is about 42mph.

Top Speed of the GTI 130 and the GTI SE 130 is about 55mph.

The Top Speed of the GTI SE 155 and GTI Limited is about 60mph.

The GTI’s are great for people new to riding watercraft and want something more comfortable than the spark.


GTR 215

The Top Speed of the GTR 215 is about 65mph.

The GTR is entry level muscle craft, not the best for beginners or people new to watercraft.



The Top Speed of the GTX 155 and GTX-S is about 57mph.

Top Speed of The GTX 170 is about 57mph.

The Top Speed of the GTX Limited iS 260 is about 65mph to 70mph.


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