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Category: BRP Rotax

Williams Jet Tender Triple Test!

Karel Overlaet, RIB Advocate

Williams Jet Tenders Unveiled 3 New Models

Dartmouth, UK, 2025, the company marks its 20th anniversary!

It launches three new models: the SportJet 460, SportJet 520, and the DieselJet 625.

The DieselJet 625 stands out as the largest diesel tender, prioritizing stability and passenger capacity for up to 11 people.

Its robust design and optional self-righting mechanism offer a “grown-up” driving experience with impressive grip, suitable for demanding conditions.

For exhilarating performance, the new SportJet 460 delivers enhanced sociability. It is powered by a Rotax 170 petrol engine.

Its agile handling and quick planing make it “tremendous fun” for watersports.

Topping the SportJet range, the SportJet 520 shares the 460’s hull but boasts a supercharged Rotax 230 engine.

This transforms it into a “fast RIB.” It offers “supremely rapid” acceleration.

The ride is aggressive yet controllable, as you can see in the video.

If you need more info and videos abut this British brand, get it here: Willams Tenders.

This video was published on the Motor Boat & Yachting YouTube channel.

Specs of All Three

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Highfield Velox 420: A Rotax Jet-Powered Fun RIB

Karel Overlaet, RIB Advocate

>> 2 minutes read time

Discover the Highfield Velox 420

The Highfield 420 Velox is a compact, high-performance Rigid Inflatable Boat (RIB).

It measures under 14 feet (4,44 m). This boat is uniquely equipped with a jet propulsion system instead of the usual outboard motor.

The Highfield Velox 420 is powered by a BRP Rotax’s ACE 900 engine. It weighs less than 125 pounds (56 kg).

This allows it to achieve a lightweight design with a low center of gravity, enhancing stability.

The jet system is integrated with an aluminum hull.

This allows shallow-water operation in less than a foot of water. It is ideal for maneuvering in tight areas without risking propeller strikes.

This model’s jet propulsion offers a major advantage in responsiveness.

According to the pilot in this video acceleration is quick, with the Highfield Velox 420 reaching plane in about 3.5 seconds, hitting 27 knots (30 mph) in around 6 seconds, and topping out just below 35 knots (40 mph).

This video was published on the Highfield Boats YouTube channel.

Proud to share that Highfield is a good Friend of RIBs ONLY.

The specs are listed below the image.

Highfield Velox 420- A Rotax Jet-Powered Fun RIB @ RIBs ONLY - Home of the Rigid Inflatable Boat
Highfield Velox 420- A Rotax Jet-Powered Fun RIB
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New Williams SportJet 520: Jet-Powered Adventure

Karel Overlaet, RIB Advocate

>> 174 words, 1 minute read time

The Flagship: Williams SportJet 520

Williams is a very well-known British shipyard. Yearly they produce an incredible 1,200 RIBs (video).

The new SportJet 520 has more power, more space and more practicality.

Designed specifically for superyachts, the SportJet 520’s compact dimensions seamlessly integrate into vessels exceeding 30 meters in length.

Propelled by the esteemed Rotax 230 hp engine, it has more than enough power on board.

The SportJet 520 is the flagship of the SportJet line.

Like Williams jet-powered RIBs? Dive into my posts (videos).

This video was published on the Williams Jet Tenders YouTube channel.

Specs

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Pirelli Tenders X Line Detailed Walkthrough

Karel Overlaet, RIB Advocate

Presentation of two Pirelli Tenders X Line

In this video Italian based Pirelli Speedboats presents the X350 and X400 tenders. No action footage (yet) but a detailed walkthrough.

The X line series focuses on optimising layout for increased guest capacity and smoother cruising. They’re powered by the well-known 90 hp BRP Rotax inboard.

As said its unique features include pivoting backrests on additional stern seats, ensuring versatility for various activities.

Customisation options allow personalisation to match individual preferences as it the case with many brands.

This video was published on the PIRELLI Speedboats YouTube channel.

You get more information of this brand with these videos.

Specs Both Tenders

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