Jacuzzi 12WJ
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Jacuzzi 12WJ

  1. #1
    Junior Member Campy88's Avatar
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    Default Jacuzzi 12WJ

    Hey all, i have a 23ft hawaiin daycruiser and it has a 12WJ pump, will this pump work in this boat? Seems like i keep reading that the WJ was used in smaller boats.

    Oh ya i'll have a fresh 460 with a cam and like 9-10.1 compression when finished. Also what mods can i do at home to make this pump work better. I am kinda handy with metal working and really dont have a ton of money to spend on performance stuff since the whole boats needs restored.

    Thanks
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  3. #2
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    honestly either put the pump back in and hope for the best or do your self a big favor in the long run and save a little coin find a Berkeley pump get it in the boat and enjoy the heck out of you labor of love

  4. #3
    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by Campy88 View Post
    Hey all, i have a 23ft hawaiin daycruiser and it has a 12WJ pump, will this pump work in this boat? Seems like i keep reading that the WJ was used in smaller boats.

    Oh ya i'll have a fresh 460 with a cam and like 9-10.1 compression when finished. Also what mods can i do at home to make this pump work better. I am kinda handy with metal working and really dont have a ton of money to spend on performance stuff since the whole boats needs restored.

    Thanks
    The WJ is a very good jet and will work well for your application on that large cruiser , the WJ Jacuzzi pump in its original form is simple to work on , super strong and lends itself well to many modern modifications and upgrades. Its a well designed mixed flow jet very similar in design and function to Berkeley and Dominator and others , The OEM repair parts for it have admittedly become a bit spendy in recent years due to several ownership changes in the company but used spares and after market repair parts are plentiful. The WJ has been around and popular here in the states and overseas since the 60's and used in every imaginable small water craft , we recently built one for a 14' 64 vintage alloy patrol runabout with a 312 cu Ford as well as classic resto circle race boat with enormous HP. We have built and repaired countless WJs and HJs (Australia) over the years including with good success. Clean it up overhaul it and rock it call if you need help or have questions Tom

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  6. #4
    Junior Member Campy88's Avatar
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    Thank for the info, I just pulled that drive out and noticed that its stamped on the tag 12WJ/B ??? Does the "B" make it special or is that normal ?????

    Thanks again>>>>>

  7. #5
    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by Campy88 View Post
    Thank for the info, I just pulled that drive out and noticed that its stamped on the tag 12WJ/B ??? Does the "B" make it special or is that normal ?????

    Thanks again>>>>>
    The "B" designates the impeller cut , the Jacuzzi WJ B will act similar to Berkeley A , basically the most common cut for them

  8. #6
    Junior Member Campy88's Avatar
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    Default Fitting?

    So as you can kinda see in picture just next to the bilge pump someone has scabbbbed a hose connection in the housing with a pile of BONDO, it went to a pressure gauge on dash. WHAT is this for and can i take it out??? Im fixn to rebuild and paint it. Im new to the whole Jet Drive seen so HELP Please.


    Thanks
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  9. #7
    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by Campy88 View Post
    So as you can kinda see in picture just next to the bilge pump someone has scabbbbed a hose connection in the housing with a pile of BONDO, it went to a pressure gauge on dash. WHAT is this for and can i take it out??? Im fixn to rebuild and paint it. Im new to the whole Jet Drive seen so HELP Please.


    Thanks
    No offense but it looks a bit of a mess I would separate the hoses and wires and reorganize and get rid of that iron and ? conglomeration of Plumbing hardware on the side of the jet and start over Tom

  10. #8
    Junior Member Campy88's Avatar
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    Yes sir, im redoing the whole boat less the paint,motor, interior,floor, wiring,gauges,cables ETC, will all be new or rebuilt. So can i just plug that hole in the pump housing and move on???

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