Are Master JetBoats’ MJB 380 Twin Engine PWCs The Next Generation of Watercraft?


Not too long ago, we received an email from MasterJet Boat Gmbh, who wanted to introduce us to the company’s new “mega jet ski,” the MasterJet MJB 310. Our curiosity was piqued, we did some digging and discovered all that we could from the all-German MasterJet Boat website (using Google Translate, of course).

At first blush, these things are big and burly…almost clunky. Each machine features a good size deck – especially for PWC but when you know why, you’ll flip. The MJB 310 will be outfitted with two 155-horsepower MPE 850 Weber prototype engines.

And if that’s not enough, MasterJet Boat claims to have a MJB 380 RS unit brandishing two supercharged Yamaha SVHO engines cranking out a ridiculous 450-to-600 horsepower (depending on how it’s tuned) and a top speed of 150mph (y’know, because there are worse ways to die). Available in either black or pink, the MJB 310 is 3.8 meters long, 1.52 meters wide, and wields a dry weight is 1,377-pounds!

The oversized skis have numerous bells and whistles, including back up cameras and underwater lights. The complete list of tools, instruments, and special equipment can be found on the MasterJet Boat website. For more information, check out the website. It is full of specifications, pictures, and contact information – but no prices and a proposed introductory date of “August 2020” which has already come and gone.

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Ocean Priselac

An avid mountain and bodyboarder who lives by "if you don't go, you'll never know," with an affinity for wildlife and animal rescue; surf forecasting is a huge part of Ocean's life and was a winner in Red Bull's Project Swell several years ago. The 2014 LB2CAT was her first jet ski competition and can't wait to do it again!

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  1. Avatar
    Joe 4 September, 2020 at 09:45 Reply

    Because there are still old guys reading your articles I think you should also list the size of the WC in Inches too. Never learned the Metric System.

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    Fruitbasket 4 September, 2020 at 23:48 Reply

    It looks like more of a hobby project than a mass production watercraft. I mean, 2 x 155hp engines? You can get a single engine with the same amount of power in a mass produced ski, and that single engine ski would be faster due to lower weight. And for all that size it only has 90L of storage and seats 3 people. A Yamaha FX has 167L of storage and seats the same number. If they made it more powerful and make it more of a hybrid ski/boat like the Sea Doo LRV I could see it selling to a niche market but right now I don’t see any benefits.

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