2001 Sea-Doo RXX Specs and Review [Video]

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The Sea-Doo RXX was the most powerful 2-stroke racing Sea-Doo from the factory. It was based on the carbed RX 951, but its engine was tuned up to 160 HP. Sea-Doo only made 500 of these unique skis in the 2001 model year.

If you want to learn all about this 2-stroke racing Sea-Doo, this post is for you.

We at JetDrift have compiled all you need to know into this Sea-Doo RXX review!

Sea-Doo RXX Review

Sea-Doo RXX Review

Sea-Doo released its award-winning 2-seater RX family for the 2000 model year. This model was offered in three different configurations, including:

This family’s most powerful and rarest model was the lesser-known 2001 RXX. This ski was a factory-built racing Sea-Doo marketed for racers and performance-minded riders.

The RXX was actually a modified RX 951 with a lighter hull and a series of aftermarket performance parts. Surprisingly, all of them were installed by the manufacturer, so the RXX was marketed as a “race-ready” Sea-Doo out of the crate.

Are you wondering what was so special about the RXX?

In a nutshell, the key differences between the standard RX 951 and the RXX were as follows:

  • R&D cylinder head with interchangeable domes
  • R&D Racing high-flow flame arrestors
  • R&D reed stuffers
  • Fiber Reed Valves
  • R&D Racing lever-activated, 2-position, hydraulic trim system
  • Factory Pipe twin pipe system
  • Dry exhaust system with modified Bombardier waterbox
  • Rimoldi Double Carbon Intake system
  • High-performance modified (2) Mikuni BN 46-42 carburetors
  • UMI Billet Water by-pass
  • Digital DC-CDI ignition with modified timing curve
  • Skat Trak Magnum full stainless steel, axial jet pump
  • Skat Trak steering nozzle and venture with interchangeable rings
  • Skat-Trak 14-vane stainless-steel impeller
  • Skat-Trak drive shaft
  • Lighter, hand-made hull
  • UMI billet aluminum steering system
  • UMI wide racing handlebars
  • Custom Jettrim racing seat
  • Custom traction mats
  • Bow-mounted Jettrim spray deflector
  • Beach House Express adjustable composite plate sponsons
  • Race-inspired graphics (Sea-Doo Racing Yellow/Black)
  • Electric bilge pump

The carbed RX and RXX shared the same base engine, the dual-carb “Silver” Rotax 947 RAVE twin. This 951cc, 2-stroke power source offered 130 HP in stock condition.

But thanks to the aforementioned modifications, the Sea-Doo RXX was boosted from 130 HP up to an incredible 160 HP.

Besides the engine, the pump, seat, and steering system were also upgraded for optimal performance and handling.

Thanks to these advanced features, the claimed top speed of the RXX was 70 mph, but according to Boats.com, the ski topped out at 65 mph.

The engine of the RXX was nestled in the proven semi-V RX hull debuted for the 2000 model year. This entirely new hull and top deck were a huge improvement compared to the predecessor GSX Limited.

Regarding dimensions, this platform measured 112 inches in length, 47 inches in width, and 41 inches in height.

But unlike the standard RX models, the RXX came with a special hand-layered hull, which resulted in some noticeable weight savings. Thanks to this lighter body, the dry weight of the RXX was only 5 pounds heavier than the base RX (despite numerous aftermarket performance mods!).

This well-designed hull provided a great balance between comfort and performance.

Its deep, 23.5-degree entry cut the chop effectively, so the RXX handled fairly well in rough waters. This deep angle smoothed toward the aft, resulting in great planing and turning abilities.

The manufacturer labeled this unique design as “Active Handling Geometry.”

The top deck housed a custom Jettrim racing seat rated for one rider.

Standard features of the 2001 Sea-Doo RXX included:

  • D.E.S.S. Key
  • One-piece Jettrim racing seat
  • Handlebar-mounted start/stop button
  • Safety lanyard
  • Hydraulic trim system
  • Choke Lever
  • Analog tachometer
  • Glove Box
  • Fuel Tank Valve
  • Front Storage Compartment
  • Tool Kit
  • Rear Grab Handle
  • Rear Storage Basket
  • Bow and Stern Eyelets
  • Mooring Cleats
  • Cargo Cleats
  • Footboard
  • Boarding Pads
  • Boarding Platform
  • Cooling System Bleed Outlet
  • Flushing Connector
  • Splash guard
  • Bilge Drain Plugs

The only instrumentation on the RXX was an analog tachometer. It lacked the multifunction LCD gauge, which was standard for base RX models.

Surprisingly, Sea-Doo only made 500 of the limited edition RXX in 2001, half of which found their way outside the U.S.

Are you wondering why the RXX never became more popular?

Keep reading!

Sea-Doo RXX Problems

Let’s face it; the Sea-Doo RXX was a factory racing jet ski that required the same attention and care as any high-performance racing craft.

When it came to regular maintenance, the RXX required a top-end rebuild at 20 hours and a bottom-end rebuild at about 50 hours. And exceeding the maintenance schedule was not recommended, as it often ended in a blown engine (typically caused by a piston pin bearing failure).

Yes, you read correctly, the top end of the RXX had to be refreshed after only 20 hours.

Why?

The biggest problem with the RXX was its small engine, featuring only two cylinders. Sea-Doo tuned this tiny 952cc twin engine up to a whopping 160 HP, resulting in low durability and reliability.

Because of this, the RXX required frequent wrenching while its parts came with hefty price tags.

In contrast, the competitors’ high-performance jet skis also provided 145-155 HP, but each of them utilized triple engines!

For example, the rival 2000 Yamaha GP1200R utilized a 1.176cc, 2-stroke triple rated at 155 HP, while the Kawasaki Ultra 150 had a “slanted” 1.176cc, 2-stroke, 145 HP triple.

As you can imagine, these engines were much more reliable and durable due to their bigger displacement and three-cylinder configuration.

What’s more, the RXX was sold with no factory warranty, which made the model less appealing for recreational riders.

On top of that, many racers claimed that the handling of the RXX was nowhere near as good as the last generation XP. Therefore, racers preferred the proven XP and didn’t show very much interest in the new model.

But even if they wanted to buy one, finding an RXX was hard to impossible. Since only about 500 of them were produced, meaning that this model didn’t even reach many Sea-Doo dealerships.

Nevertheless, the RXX remained an important milestone in Sea-Doo’s history, as the most powerful 2-stroke Sea-Doo ever built by the factory!

2001 Sea-Doo RXX Specs Chart

For your convenience, we’ve compiled the 2001 Sea-Doo RXX specifications into these charts!

2001 Sea-Doo RXX Dimensions

2001 Sea-Doo RXXDimensions and Capacities
Number of passengers1
Overall length285 cm (112 in)
Overall width120 cm (47 in)
Overall height104 cm (41 in)
Weight277 kg (610 lb)
Load limit181 kg (350 lb)
Fuel tank56.5 L (15 U.S. gal)
Injection oil reservoir6 L (1.6 U.S. gal)

2001 Sea-Doo RXX Engine Specs

2001 Sea-Doo RXXEngine Specs
Engine type Rotax 947, 2-stroke
Induction type Reed valve
Exhaust system Water cooled / water injected with regulator
Exhaust ValveRotax Adjustable Variable Exhaust (R.A.V.E.)
Lubrication - type Oil injection
Lubrication - oil typeBombardier Formula XP-S DI synthetic injection oil (or equivalent)
Number of cylinders 2
Displacement 951.2 cm3 (58 in3)
Performance160 HP
Cooling TypeOpen circuit. Direct flow from propulsion unit
Fuel - typeUnleaded regular gasoline with 91 octane minimum (R+M)/2
Carburetor - type and numberMikuni BN 46i (Diaphragm type). Fuel accelerator pump. Quantity: 2

2001 Sea-Doo RXX Propulsion

2001 Sea-Doo RXXPropulsion
Propulsion systemSkat-Trak pump
Jet pump typeAxial flow, single-stage
Reverse systemno
TransmissionDirect drive
Minimum required water level for jet pump90 cm (3 ft)

2001 Sea-Doo RXX Electrical Features

2001 Sea-Doo RXXElectrical Features
Magneto generator output180 W @ 6000 RPM
Ignition system type Digital CDI
Spark plug - Make and typeNGK, BR8ES
Spark plug - Gap0.45 mm (.018 in)
Starting systemElectric starter with reduction gear
Battery12 V, 19 A-h
Fuse - MPEM 5 A
Fuse – Main 15 A
Fuse – Charging system15 A
Fuse – Electric bilge pump3 A

These charts are for informational purposes only! For exact specifications, please refer to the factory manual.

2001 Sea-Doo RXX For Sale

If you are considering purchasing one, you probably want to know where to find a Sea-Doo RXX for sale. As this model vanished from the market in 2001, it’s already a collectible item, so finding one is not an easy task!

We recommend that you start your research on dedicated Bombardier forums and Facebook fan groups. Aside from some good deals, you may find some valuable info there about this ski.

Besides these sources, you may also find some used Sea-Doo RXXs for sale on Craigslist, PWC Trader, and other dedicated jet ski swap sites.

Takeaway

As a takeaway, we’ve answered the most common questions about the 2001 Sea-Doo RXX!

What is a Sea-Doo RXX?

The Sea-Doo RXX was a factory-built race Sea-Doo manufactured around the Millennium.

What Year did Sea-Doo Make the RXX?

Sea-Doo marketed the RXX only in the 2001 season.

How Many People Could Ride a 2001 Sea-Doo RXX?

The Sea-Doo RXX was rated for one rider.

What Size was the Sea-Doo RXX?

The Sea-Doo RXX was 112 inches long, 47 inches wide, and 41 inches high.

How Much Did a Sea-Doo RXX Weigh?

The dry weight of the Sea-Doo RXX was 610 pounds.

What Kind of Engine Did the 2001 Sea-Doo RXX Have?

The power source of the 2001 Sea-Doo RXX was a modified twin-pipe Rotax 947 RAVE engine (951cc, 2-stroke, dual-carb twin).

How Much Horsepower Did a 2001 Sea-Doo RXX Have?

The 2001 Sea-Doo RXX produced 160 HP.

Did the 2001 Sea-Doo RXX Have Reverse?

No, the Sea-Doo RXX came without manual reverse

What Size Storage Compartment Did a 2001 Sea-Doo RXX Have?

The Sea-Doo RXX featured a bow storage, under-seat storage tray, and a glovebox with a total storage capacity of 10.6 gallons.

How Much Weight Could a 2001 Sea-Doo RXX Hold?

The total weight capacity of the Sea-Doo RXX was 350 pounds.

How Much Fuel Did a 2001 Sea-Doo RXX Hold?

The Sea-Doo RXX utilized a 15-gallon fuel tank.

Could the Sea-Doo RXX Tow a Skier or a Wakeboarder?

No, the Sea-Doo RXX was rated for one rider, so it wasn’t recommended for tow sports.

How Fast Did a 2001 Sea-Doo RXX Go?

The top speed of a 2001 Sea-Doo RXX was 65 mph in stock condition.

Was a Sea-Doo RXX a 2-Stroke Ski?

Yes, the Sea-Doo RXX utilized a 2-stroke twin engine.

How Much is a 2001 Sea-Doo RXX Worth?

It’s hard to tell the exact price of a Sea-Doo RXX, as it strongly depends on its year, condition, and location. But as a rule of thumb, the prices typically range from $1,000 up to $4,000.

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