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  1. #1
    Fasttimez's Avatar
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    Need Trailer measurements for jet ski

    Hey guys, I need some help with my trailer setup for my 2009 FX SHO. The bunks that the ski rests on aren't centering the ski, I've tried adjusting them with no progress. Do you guys have measurements like from bunk to bunk, from bunk to trailer ...etc. just trying to get a good starting point. Also do you guys adjust your bunks narrower or wider for the ski to rest on.


  2. #2
    badjoka's Avatar
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    Ill post some measurements when I get home tonight. Also, you want the weight centered over the wheels.

  3. #3

    same thing happened to me

    Quote Originally Posted by badjoka View Post
    Ill post some measurements when I get home tonight. Also, you want the weight centered over the wheels.
    I have two new fx sho cruisers, same thing happened to me.

  4. #4
    badjoka's Avatar
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    Heres the way the dealer set up my trailer for the ski, I'm definitely no trailer expert but everything lines up well but I do have a gut feeling that the "R" in FZR should be directly over the wheel, almost a foot back from its current position. The boards are 6'6" in length and extend 5" out from the end of the ride plate, and I threw some measurements in to give you an idea of the angle. The boards angle exactly with the Riva ride plate in this setup. If you need a better pic let me know. Thx.

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  5. #5

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    Mine are on 20" centers. The winch up front should be on a adjustable mount. This is usually used to adjust tongue weight, usually 50-75# on a ski.

  6. #6
    badjoka's Avatar
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    Quote Originally Posted by Nm1069 View Post
    Mine are on 20" centers. The winch up front should be on a adjustable mount. This is usually used to adjust tongue weight, usually 50-75# on a ski.
    Thx, going to check my tongue weight, mine feels like 100+

  7. #7
    04gtxsc's Avatar
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    Tongue weight should be 10% of the weight. If ski is 1000 pounds tongue should be 100. I adjust the front wich so i can pick it up fairly easy.

  8. #8
    badjoka's Avatar
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    Quote Originally Posted by 04gtxsc View Post
    Tongue weight should be 10% of the weight. If ski is 1000 pounds tongue should be 100. I adjust the front wich so i can pick it up fairly easy.
    Thanks! Did what you described, much better!

  9. #9
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by badjoka View Post
    Heres the way the dealer set up my trailer for the ski, I'm definitely no trailer expert but everything lines up well but I do have a gut feeling that the "R" in FZR should be directly over the wheel, almost a foot back from its current position. The boards are 6'6" in length and extend 5" out from the end of the ride plate, and I threw some measurements in to give you an idea of the angle. The boards angle exactly with the Riva ride plate in this setup. If you need a better pic let me know. Thx.

    Click image for larger version. 

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ID:	276310Click image for larger version. 

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ID:	276311Click image for larger version. 

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ID:	276312Click image for larger version. 

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    Click image for larger version. 

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    The bunks should not be under the ridges on the bottom. The bunks should be spaced so they support the hull between the chine ridges.

  10. #10
    enforcer's Avatar
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    Typically the rear of the ski (hull) should be aligned with the edge of the bunk. It should bring the "R" closer to the center line of the axle like you stated. I would adjust the bunks to make sure the don't sit on the ridge of the hull as mentioned earlier.

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