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Thread: Seadoo RXP rpms

  1. #1
    Biggsw784's Avatar
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    Seadoo RXP rpms

    I bought a 04 rxp and it needed a prop and wear ring which I installed a own wear ring and a Solas 14/19 prop. I had not rode this ski before I bought it. I bought it with intensions of repairing everything. Anyways, at wot my mph is right at 70 mph and rpms are at 7500. My buddy has a 04 Rxp with 18 hours on it and his runs right next to mine but his rpms are right around 8100. Now my rxp is bone stock but I figure that that prop wouldn't pull the motor down that far. I have a riva intake and exhaust, x-charger and 42# injectors but wasn't going to install any of it until winter when I get a external intercooler and rrfpr. I was actually going to buy a 15/20 once I put all that on but I may keep what I have if this prop pulls me down that much?? Does this sound about right?? Thanks


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    wotxxxsd's Avatar
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    Make sure the s/c washers are changed and the exhaust valves are not the ones that break.
    If u don't do these upgrades you both are riding ticking time bombs...

    Tick tick BOOM!!!

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    Biggsw784's Avatar
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    The washers have been changed on both. How do you know each ones have the valve problems??

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    HardmanGT's Avatar
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    Quote Originally Posted by Biggsw784 View Post
    The washers have been changed on both. How do you know each ones have the valve problems??
    this is how we know

    http://www.greenhulk.net/forums/showthread.php?t=169011

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    Biggsw784's Avatar
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    ok thanks. anymore input on the 14/19 prop?? is this about the rpm i should see on a bone stock engine??

  6. #6
    RXP 260 X Short Course Veteran RXP244's Avatar
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    Quote Originally Posted by Biggsw784 View Post
    ok thanks. anymore input on the 14/19 prop?? is this about the rpm i should see on a bone stock engine??

    Yes, I think that RPM could be pretty close. I know that when I ran a 14/19 on my stock boat, I had to run big air, grate, sponsons, freeflow exhaust to turn it and keep my rpm under the limiter(8100ish). Even then I think I depitched it a bit also. I think I got to 74-76mph with the 14/19 on a 10 pound wheel and 42# injectors, external IC before I went to a bigger SC. So I think 7500 with no mod's is about right.

    Good luck.

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