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  1. #1

    Need better hookup

    hey guys,

    i have an 06 rxp with riva s3 82mm ring (no 2 degree pump wedge) and the best speed that i have on gps is 67.9. i am riding in salt water with a lot of chop and it seems like the ski never stays in the water enough to hook up really well. i know that this is no where close to its potential with this setup.
    i have an 07 rxt with riva s1 (no wedge) and it does 65.4 in similar conditions

    should i try the wedge? (i doubt it will help with the chop)

    any suggestions besides putting the setup into the rxt.

    thanks guys.


  2. #2
    Treemn's Avatar
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    what kind of grate are you running.

  3. #3
    riva intake grate. it made a big difference with the stage 1 upgrade on the rxt, but still out of the water a bit on the rxp.

  4. #4
    Ziggy's Avatar
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    A setback pump or pump extension would help a ton. Just costs alot of dough, though.

  5. #5
    i think it would probably be worth the investment. already spent plenty of change in a s3 setup. if it would really help then i would take the plunge and get the extension.

    would i be correct on holding off on placing a 2 degree wedge?

  6. #6
    Ziggy's Avatar
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    Search the pump extension posts. Once the bugs got worked out, I believe folks were very pleased with this mod. There once was a less expensive version on Ebay, but I haven't seen it recently.
    Riva:
    http://cgi.ebay.com/ebaymotors/SeaDo...rcraftQ5fParts

  7. #7
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by Ziggy View Post
    A setback pump or pump extension would help a ton. Just costs alot of dough, though.
    +1 it is amazing on RXP, a worx intake grate blows the riva out of the water on hook up... but the set back pump mod is so good that I run the riva.

  8. #8
    King_Of_Fun's Avatar
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    Maybe I missed it, but what rpms are you turning? ... Ron

  9. #9
    i can only get you a best guess estimate because the ski's rpms are all over the place. i would guess the time that it is hooking up approx 8100-8200 rpm. it otherwise is higher when out of the water. i am running the riva ecu.

  10. #10
    lextoy's Avatar
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    so witha setback pump, what grate is better??

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