Not that I know of. I thougth the French RiverDrone was jet driven, Alex Hauet do you know?.. I just remebered we quickly had problems with small stones jamming the jets on the rQpod prototype. There are probably different water jets too, like in my ScubaJET for my stand up paddle board.
For the propeller motors (the three different ones we at SMHI use) there are electric motors with drive belts (big ArcBoat) and electric motors with props water cooled and water lubricant (rQpod and ArcLite).