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Thread: Prop Problems

  1. #1
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    Prop Problems

    i JUST BOUGHT A 14/20 FORM ISLAND RACING AND IT IS KILLING MY SKI. I HAVE ALL THE STAGE TWO RIVA PARTS. THE SKI HAS NO POWER, IT IS BOGING DOWN ON THE LOW END, GREAT TOP SPEED. HELP


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    WATER WOODY's Avatar
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    What prop did you have in their before? Pitch....What rpm.Is this new prop depitched? Is it spinning? 800 grate?

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    Duke's Avatar
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    Quote Originally Posted by WATER WOODY View Post
    What prop did you have in their before? Pitch....What rpm.Is this new prop depitched? Is it spinning? 800 grate?
    + boat, mods, speeds, rpms, etc.

    Can't help without the details.

  4. #4
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    PROP

    Stock Prop, It Is Just Boging Down On The Low End. When I Am Idleing, Then Gun It Feels Like It Is Flooding, Doesn't Go, Than It Gets On A Plane And Runs Good.

  5. #5
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    SKI

    2002 Gp1200r Riva Head, Filters, Jet Kit, Intake Grate, Rideplate, Reeds, D-plate.

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    Duke's Avatar
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    Quote Originally Posted by onefastgpr View Post
    2002 Gp1200r Riva Head, Filters, Jet Kit, Intake Grate, Rideplate, Reeds, D-plate.
    What kind of reeds? Compression with the Riva heads? Which D-plate ( R&D or Riva) ?

    14-20 concord shouldn't be that hard to turn.

  7. #7
    R P M ?
    If the motor cant pull an out of the box 14/20 concord, depitching will actualy increase BOTH top speed and bottom end acceleration. this is most likely what's happening here.

  8. #8
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    PROP

    Well Answer The Phone So I Can Send It Back And It This Done. Obviously It Will Cost $$$$$$$$.

  9. #9
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    Quote Originally Posted by onefastgpr View Post
    Well Answer The Phone So I Can Send It Back And It This Done. Obviously It Will Cost $$$$$$$$.
    Holdddd onnn here.

    We need more info. Your not giving it to us your just blabbing and not letting us help you.



    Do you have the Jetworks Mod? If not GET IT. That will help your hole shot.

    Also what is your compression readings? If these are low you have bigger problems than a too steep of a impeller.

    Also what is your intake grate? 800 or 1200?

    You could be one fast gpr if you would let us help you.... untill then it will be one slow gpr.

  10. #10
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    I Am Sorry Man. I Spend 12 Hours Straight Working On This Ski Last Night And 6 Hours Tonight. I Reset My Low Jets And Now The Carbs Are All Mess Up.got Them Back To The Right Settings Tonight.just Want To Get This Prop Issue Straight.


    I Do Have The Jet Woks Mod.

    I Do Have The R&d Intake Grate 1200

    How Can I Have Low Compression When The Ski Top Out At 70mph.

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