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  1. #1
    MIARider's Avatar
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    What does it take to get the Yammi's to run ...

    What are the Yammi's(1300R) doing to get to the higher speeds 80 + ?


  2. #2
    Chrisrokc's Avatar
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    Quote Originally Posted by MIARider View Post
    What are the Yammi's(1300R) doing to get to the higher speeds 80 + ?
    Big bore cylinders usually from 1390cc to 1500cc. Sometimes people swap to carbs. More speed can be had with tripple pipes on top of that.

  3. #3
    Moderator Insanediego Joe's Avatar
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    others are installing a seadoo engine in the gpr hul and running 91 octane fuel all day long.

  4. #4
    WATER WOODY's Avatar
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    Quote Originally Posted by Insanediego Joe View Post
    others are installing a seadoo engine in the gpr hul and running 91 octane fuel all day long With WOODY'S handling setup..

  5. #5
    Moderator Insanediego Joe's Avatar
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    @84.8 mph

  6. #6
    WATER WOODY's Avatar
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    Cool weather.......look out!

  7. #7
    sleeplessnMS's Avatar
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    Cool weather.......look out!

    I 2nd that! Do I smell 85+?

  8. #8
    WATER WOODY's Avatar
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    With a little more treaking,mid 86's are there,in cold weather.If Joe tweaks the prop a little,there is no reason why a solid 87mph run cant be achieved.

  9. #9
    Me Hahn and Joe H204YOU's Avatar
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    Quote Originally Posted by Insanediego Joe View Post
    others are installing a seadoo engine in the gpr hull and running 91 octane fuel with pepsi additive all day long with Woodys good handling package on the rear-ahhhh cough cough-of my ski .

  10. #10
    HopatcongGPR's Avatar
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    1500cc's single pipe
    Last edited by HopatcongGPR; 09-02-2007 at 07:01 AM.

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