Project FX1 for 2022 - Page 14
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  1. #131
    PWCToday.com Is My Home Away From Home fox river pwc's Avatar
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    Re: Project FX1 for 2022

    Hood gasket in.
    Motor and pump work is done.
    It now goes back to the owner for whatever paint/wrap he is planning.
    Then comes back to me for turf install, break-in, and testing/tuning.

    20220310_172322.jpg20220310_172326.jpg20220310_172329.jpg20220310_172340.jpg


    WHEN IN DOUBT, GAS IT!

    Yeah, I'm an @sshole, but I'm not a complete @sshole.

    http://badgerlandjetpilots.com/

    I don't come here to make enemies - only to identify them...

  2. #132
    PWCToday.com Is My Home Away From Home fox river pwc's Avatar
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    Re: Project FX1 for 2022

    I've gotten some questions sent to me, so I figured I would post some follow up pump comments here.

    I see that "fx1 pump mod" info is all over the place. Not just literally, as in FB, forums, etc...but technically as well. So my opinions are just my opinions, but I do have at least some firsthand building and riding experience, for whatever that is worth, and some of it comes from direct comparison.

    Here are my opinions:
    Unless you're going to swap in (or build) a larger pump tunnel, then I wouldn't bother with anything but modifying the 122mm pump or swapping in a kawi 140mm. Yeah, you can make the 144mm Yami fit (I did it with the bonsai bob set up years ago) with the stock tunnel, but IMHO, the juice isn't worth the squeeze. The 122mm pump mods detailed in this thread have worked very well for me. Now, I can't tell you which ones give you the most, as I've only done all at the same time, as a "package" of sorts, but what I do with the 122mm is:
    1) Blueprint the pump. This will take you some time, depending on your skills and tool availability, but you can do a decent job even with a dremel and some rasping/cutting type bits. It also helps to have one of those narrow finger-shaped belt sanders. The point is there is a good chunk of material you can take out and then make smooth, in the pump stator, which is only going to help that small pump process more water, and process it more efficiently.
    2) Stick a steep prop in there. Skat or solas. I've used both. Never tested them side by side, but both get the job done.
    3) Add an aggressive intake grate...one that extends down below the hull a bit. I used the R&D Pro Series and liked it a lot. Looks like the JD in this build should dig nicely as well. I'm not a fan of the pro-tec. I've ridden a few FX1s with it...just not aggressive enough, and the same goes for the pro-tec intakes I've tried in SJs. I suppose if you're stuck with a pro-tec you could try shimming it downward, and I'd suggest at least 5mm, but probably more. Experiment and have fun during the process.
    4) Add a longer ride plate. Riva worked well for me, but I didn't experiment much with FX1 plates.
    5) Definitely add the OP steering nozzle. I actually did do testing years ago, as I swapped between the OP and stock. Yeah, you have to modify the OP (it's the SJ/B1 version) steering nozzle to make it fit the FX1, but it is incredibly worth it. Best I can say is takes the steering that tends to be vague and just tightens it up significantly...makes steering much more precise. Also the nozzle being extended helps to keeps the nose down when you want it down, which keeps that intake grate digging and stuffing the pump.

    I hope this helps others trying to decide which way to go with their FX1. You could literally do everything I'm talking about here to your 122mm in a weekend, after you've gathered all the parts.


    WHEN IN DOUBT, GAS IT!

    Yeah, I'm an @sshole, but I'm not a complete @sshole.

    http://badgerlandjetpilots.com/

    I don't come here to make enemies - only to identify them...

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