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  1. #11
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    Quote Originally Posted by YoYamma View Post
    Does GP-1800 pump shoe bracket strength/design differ from FZR/S line? I don't recall seeing this issue on FZ's, maybe I missed it.
    fzr bolted to transom plate so there were no brackets to pull.

  2. #12
    improvised tmg97gp's Avatar
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    Here we go again !
    Quote Originally Posted by JIM'S PERFORMANCE View Post
    If anyone with a gp1800 or vxr if you are getting water in hull check this right away. The pump shoe brackets are recessed in and only attached to outer hull. Customer came in saying lots of water coming in when riding ski, look what i found one side was almost ripped out if brackets pull thru at wide open you will get thrown off ski. This can be very dangerous i am taking the brackets out build it with fiber glass and epoxy resin from the inside nice and thick and install brackets on top of it.


  3. #13
    BLASTER 1's Avatar
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    Jim, Is there a solution to this before it tears out? Like some thick aluminum plates that covers a broader area I'd prefer not to go the fiberglass route

  4. #14
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by BLASTER 1 View Post
    Jim, Is there a solution to this before it tears out? Like some thick aluminum plates that covers a broader area I'd prefer not to go the fiberglass route
    Is this the trouble area?

    Edit: Actually it is the rear brackets for the intake grate that are getting stressed, not the bracket and two bolts for the front of intake grate. (The rear brackets have two bolts into each bracket, with a bracket on each side of the reinforced pump tunnel)

    http://www.greenhulk.net/forums/show...=1#post2807670




    Last edited by K447; 06-17-2017 at 06:41 PM.

  5. #15
    BLASTER 1's Avatar
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    Quote Originally Posted by K447 View Post
    Yup, thats the area. Trying to figure out the easiest way to reinforce that area without using glass Those brackets should of been on the outside of the liner go figure

  6. #16
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    Quote Originally Posted by BLASTER 1 View Post
    Jim, Is there a solution to this before it tears out? Like some thick aluminum plates that covers a broader area I'd prefer not to go the fiberglass route
    thick plate or fiber glass

  7. +1 by:


  8. #17

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    so basically this can happen to any GP? Great I have maybe 5 hrs on mine. From the looks of it that hull is totally screwed too. I have a little water in the rear. Very little. I've flushed the ski after use every single time and the water hasn't increased at all. A little has go to be normal on just about any ski. All I can say is if this happens to my ski and Yamaha doesn't warranty it. I'm completely done with them. I don't know how I couldn't be. I'm not modded at all.

    I will say this though. If Yamaha truly races the GP1800, which I suspect they do. I wonder what exact measures, if any, they are taking to avoid the above?

    It almost looks like this ski jackknifed at a high rate of speed and just slammed hard into a wake at just the right angle. Still doesn't look built very strong either way to me.

  9. #18
    Gus13letter's Avatar
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    Thanks for heads up Jim. It doesn't make sense why they would cut the liner removing the additional reinforcement in this area.

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  10. #19

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    Yes indeed Jim. And Yes, Gus. I agree. I guess I'm subb'ed to this thread now, ha. I am definitely interested in any way to re-enforce that area but just looking at it I have no idea of how it would be all that feasible....interested though.

  11. #20

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    Jim, What year vxr skis have you seen this problem on? Tommy Jordan

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