Other 1992 Zodiac Projet Jetboat

This thread is intended to help myself and other Zodiac Projet owners to keep track of the very little information known about these little boats. The power plant and drive train are all waverunner 3 junk so I hope that it is welcomed here as I can’t find much, I’ll be adding links for what I do find as I go. AE7CC1B9-1291-423F-B34B-EA71D5C73FDB.jpeg
 
I saw this little boat pop up on marketplace and could only find very very little about this particular model. To the best of my knowledge it is a first generation Zodiac Projet. They went on to make several different models throughout the 90’s of the Projet like the 350, 420 but this one is just, Projet. Serial number 69. I’ve found a few other threads of curious people, that end up with them, and maybe some of those threads were talking about first gen models like mine? I can confirm that a few of them definitely were as they shared a few pictures but they were on some pretty old threads that hadn’t been active in like 5+ years. I’ve seen where a few people 760 swapped them and with a pipe basically doubled the stock hp and make them rip so that’s what I’m going to do because why not. Also looking into putting the 12 vein and prop pump combo junk so that it will get nice hookup in foamy river water.
 
For the 760 swap I decided to go with the Riva Red 701 blaster exhaust. Looks like a perfect fit. I just ordered a complete one with hardware from a feller on ebay. The stock 760 exhaust or the Riva Red for the 760 would not fit without having to cut the hull. I figure it’s better than trying to put the 650 exhaust up to the 760. B49A7B76-8B68-441E-BD3C-F9F167348A18.jpegC2FB11A0-475C-40A1-B668-DF27CC28B38D.jpegD2A386D1-9028-4236-8D25-EB42730FFDE8.jpeg1CD944B6-D911-4BEC-A81C-35D45C093309.jpegE2A8A068-5F19-4DA1-86BF-9D99DCF1A1D6.jpegA1A67891-A6D5-4965-8C8C-766803CB2F8D.jpg
 
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The route of the exhaust. Out the rear, into the pump tunnel. I’m going to try to squeeze a GP760 waterbox in there to replace the stock fiberglass one. Has anyone ever ran the flow of a Gp760 waterbox, in reverse for any builds intentionally? It’s Looking like it’s flying to fit way better that way
 

BruceSki

Formerly Motoman25
Location
Long Island
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I built one of these a few years back. WR3 based as well. 61x powered with a 144 pump. It felt like an absolutely rocket ship. Went pretty good with pipe, head, prop


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