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  1. #1
    Avi8tor's Avatar
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    Sold Honda prop converted to work in GP1300r HO pump for 100+mph setups

    Honda prop 17/28 that has been depitched some and converted for use in yamaha. High speed prop for very powerful GPR skis using the 155 diameter GPR HO pump.
    200.00 shipped

    Click image for larger version. 

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    Last edited by Avi8tor; 11-21-2012 at 08:13 PM.


  2. #2
    rxpdoo's Avatar
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    what exit nozzle do you have to run with that one?

  3. #3
    Avi8tor's Avatar
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    I ran 87mm nozzle both stock and opened up with hone. My setup with seadoo engine & rude2 sc benefitted from opening up exit nozzle to help it turn more rpms. On more powerful setups the stock 87 may be fine.

  4. #4
    rxpdoo's Avatar
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    Quote Originally Posted by Avi8tor View Post
    I ran 87mm nozzle both stock and opened up with hone. My setup with seadoo engine & rude2 sc benefitted from opening up exit nozzle to help it turn more rpms. On more powerful setups the stock 87 may be fine.
    what rpm did you end up.

  5. #5
    Avi8tor's Avatar
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    Looking back over logger notes, I think 8837 was my highest rpms.

    It was the fastest top end prop that I used. Selling it because I'm going to a riva 160/dual prop setup for hookup out of hole and wont be able to run in that pumpsetup. The downside of this prop was it cavitated on launch with 800 grate/accelerating hard and on my setup was sluggish accelerating through midrange compared to over props with smaller rootangle.

    This video kinda shows what I'm talking about being lazy through midrange. It was with a 8600 revlimiter riva ecu. Ended up getting best numbers with a borrowed 9200 lescook ecu even though I couldnt get close to the limiter on that ecu with this prop.


    The prop was built for a turbo setup. In my opinion it would work best with a 90mm exit/95mm steering nozzle setup or depitching it more or behind a turbo 4 stroke / big torque setup.
    Click image for larger version. 

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    Last edited by Avi8tor; 11-21-2012 at 09:59 AM.

  6. #6
    rxpdoo's Avatar
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    From what i hear the twin prop hear accelerates quicker and hooks up well but top speed is lower anywhere between 3 to 5 miles contrary to whAt it is advertised. Check some of the old threads on the yami threads.

  7. #7
    Avi8tor's Avatar
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    Yeah I agree, I've heard same reviews that dual prop is great on acceleration but hurts top end. Im adding a turbo this winter at same time to compensate while switching pump/prop setup. I'm not looking to go any faster, as long as it will still run 100mph and has better acceleration, I'll be happy. JD1 was impressive on his FZR running over 100mph with the dual prop setup, so know it can be done.

  8. #8
    Moderator beerdart's Avatar
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    MSG sent lets make it happen.

  9. #9
    JFizzleJR's Avatar
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    Yes but he's running quite a bit more horsepower than your setup did at 101 MPH

    Quote Originally Posted by Avi8tor View Post
    Yeah I agree, I've heard same reviews that dual prop is great on acceleration but hurts top end. Im adding a turbo this winter at same time to compensate while switching pump/prop setup. I'm not looking to go any faster, as long as it will still run 100mph and has better acceleration, I'll be happy. JD1 was impressive on his FZR running over 100mph with the dual prop setup, so know it can be done.

  10. #10
    Avi8tor's Avatar
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    Quote Originally Posted by beerdart View Post
    MSG sent lets make it happen.
    You got it fart sniffer haha

    Marking thread as sold

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