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  1. #1
    rob2337's Avatar
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    Ocean Pro Ride Plate Bolt Pattern 1994 SL

    Hello,

    I was just talking with Ken at Ocean Pro Engineering, and looking to buy an extended ride plate for my 94 SL650 and a 94 SL 750. Ken seems to think that the bolt pattern on the 94 and 95 SLs are a little wider then his plate. He wasn't sure and suggested that I check here on the forums. He thinks that the inserts in the hull might be 1/4" center to center wider than the holes machined in his plate. Any comments?

    I checked part numbers on the polaris site. The 750 #5630544 good from 93-96 for 700, 750, 780.

    The 650 #5630445 good for 93-95 SL650.

    Anyone know what the difference is between the ride plates?
    Last edited by rob2337; 07-07-2008 at 12:47 PM.


  2. #2
    ShaneG's Avatar
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    I have one of Kens ride plates and the holes are really almost spot on. I am not sure what plate your looking at getting, but the extended ocean plate pretty much bolted right up on mine.

  3. #3
    rob2337's Avatar
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    I am looking at the Ocean Pro Long Plates.

  4. #4
    Moderator beerdart's Avatar
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    From what I remember the only ones that do not fit is the SLTX plate on the 1994-1995 SLT the SLTX bottom hull is different. Tonight I installed a SLTX long plate on my 1995 SLT 785 and I had move the holes like 1/4 inch.

  5. #5
    rob2337's Avatar
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    Ken seemed to remember having problems with certain SLs where the bolt pattern was off. But he wasn't sure. Just curious if anyone had a problem with one of his long plates on a SL before I got ahead and purchase them.

  6. #6
    100 MILES OF HEAVEN AND I AM SMACK IN THE MIDDLE KEYZBUM's Avatar
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    can you take some mesurments of your stock plate
    and post them up??
    i have a few plate sl,slx,and and an "O" and an "R" from oceanpro
    i can take your numbers and put it against 1 of my plate s to check
    let me know
    mattman

  7. #7
    rob2337's Avatar
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    Ok , I sorted it out with Ken. The problem was with the SLT and SLTX ride plates. The Sls are all good. Thanks for the help guys.

  8. #8

    How is the ride plate?

    How is the entended ride plate working for you? My 750SL hops out of the water way to much in choppy water. I've been trying to decide if I should go with the ride plate or a scoop intake grate. Maybe I'll need both. Anyone else with suggestions or experience?

  9. #9
    rob2337's Avatar
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    Ok, first of all the SL in my opinion isn't great in chop. My friend's waveraider is 100 times better.

    As for modifications go, the first thing that I would do is get the ocean pro extended ride plate. You can get them brand new on e-bay for $90ish dollars from Ocean Engineering. What it does is it pushes the front of the pwc down so the nose cuts through the waves instead of getting launched off them. Made a huge difference on both my sl650 and 750. Don't expect this to work in waves greater than 1.5ft, as the hull will still launch in the air. That being said, because the nose of the pwc gets pushed down, you loose 1-2mph on your top end speed.

    I also installed a R&D polaris intake grate. This does not help with the pwc porpoising, but it helps to prevent the pump from unhooking in the chop, which is better for the motor. (less unloading and loading)

    The last thing I did on my Sls was to install sponsons from a slt. This helped with the over stability, yet I was still able to do some spins with them installed.

    I hope this helps.

  10. #10
    Agreed! the sl isn't a great chop machine! but damned if it isn't one of the funnest

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