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  1. #1
    tottii's Avatar
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    build yamaha GP1300R modification

    hi Everybody

    i have Yamaha GP1300R
    i made some modification before
    1-head engine boarding
    2-heat boarding
    3-D-plate
    4-Exhaust Kit
    5-remove filter
    6- impeller 14/20
    7-Remove unnecessary items to make it lighter

    now my jet can do 69.5mph

    i order
    1-VF3 Reed Valve System
    2-Rideplate MODS Up to 5+mph
    3-PRO-X Piston Kit
    4-NGH IRIDIUM IX Spark Plugs

    of these more items how much you think that my jet will do

    What can i instal to increases top end speed in smooth water
    i want my jet to retch 75mph and more

    thanks Everyone for your help


  2. #2
    u gonna go faaaast

  3. #3
    Moderated
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    it all depends on how you set up all of those items....an FF plate will get you 2-4mph extra in glass conditions IF setup correctly with a .950 angle or there abouts...the vf3's will wake it up quite a bit from what i am told ( wont be testing mine till saturday).

    as a guess maybe 72-73 but i am guessing.

    what year model is your ski?

  4. #4
    WE DONT DIAL 911 RDH's Avatar
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    Quote Originally Posted by tottii View Post
    hi Everybody

    1-head engine boarding
    2-heat boarding

    ???? huh please explain in a little more detail..

  5. #5
    Duke's Avatar
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    Why replace pistons?? How many hours on the ski?

    Do you have an aftermarket tach?

    Making it lighter doesn't do that much if anything for top speed.

    Upgrading to the newer 05 and up pump with a DF solas prop and a good rideplate help ya get to 75.

  6. #6
    Moderator RX951's Avatar
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    Welcome to the forum tottii

  7. #7
    tottii's Avatar
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    Thanks for Reply

    Quote Originally Posted by Duke View Post
    Why replace pistons?? How many hours on the ski?

    Do you have an aftermarket tach?

    Making it lighter doesn't do that much if anything for top speed.

    Upgrading to the newer 05 and up pump with a DF solas prop and a good rideplate help ya get to 75.
    -no i dont have aftermarket tech
    Will When i made it lighter that help me to go faster
    my jet 2006 model
    i want to know that what item can help me faster such as
    SEVERE DUTY AXIAL LOAD PUMP BEARING KIT
    HIGH OUTPUT PUMP CONVERSION KIT
    NOZZLE

    RIVA PRO SERIES E.F.I. CONTROL UNIT
    RIVA POWER FILTER FLAME ARRESTOR
    R&D PUMP SEAL KIT

  8. #8
    Duke's Avatar
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    my jet 2006 model
    i want to know that what item can help me faster such as

    SEVERE DUTY AXIAL LOAD PUMP BEARING KIT
    Not any faster just heavier duty.

    HIGH OUTPUT PUMP CONVERSION KIT
    You already have the HO pump due to the year of your ski.

    NOZZLE

    Your ski came equipped with the fastest nozzle, 85mm

    RIVA PRO SERIES E.F.I. CONTROL UNIT
    This will help you tune the boat when doing additional mods.

    RIVA POWER FILTER FLAME ARRESTOR
    This will help some.

    R&D PUMP SEAL KIT
    [/QUOTE]
    Plug kit should be installed along with pump tunnel reinforcement.

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