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  1. #1
    Matatan tocullo's Avatar
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    Hitting the limiter or loosing hook up!! At WOT ,Help please

    Well let me say that the ski is running as expected. But there is something that is making me wonder. The ski is running 71 mph on gps I though that it was going to be a little higher but o well. Now the problem is that I felt that the ski was either hitting the limiter or it was loosing hook up at WOT, I couldn't see the rpms that good but I know for sure that it was more than 8000 rpms. My mods are riva stage 1, ride plate holes filled, water box mod. Anybody have any ideas.


  2. #2
    Fastest in my cove sfackett0's Avatar
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    Are you running a new impeller?

  3. #3
    5.0. alex_baker202's Avatar
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    Limit is 8100 on a stock ecu.

  4. #4
    Matatan tocullo's Avatar
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    Yes, 14,19r it part of the stage one kit.

  5. #5
    5.0. alex_baker202's Avatar
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    I'm at stage1 to 2 and with the water temp mine was maxed at 71 on the 14/19 impeller

  6. #6
    Matatan tocullo's Avatar
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    Quote Originally Posted by alex_baker202 View Post
    Limit is 8100 on a stock ecu.
    I'm pretty sure that it was hitting 8100 rpms. But is it normal to go that high only with the mods I have?

  7. #7
    5.0. alex_baker202's Avatar
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    Quote Originally Posted by tocullo View Post
    I'm pretty sure that it was hitting 8100 rpms. But is it normal to go that high only with the mods I have?
    Water temp has a big play on it. Summer time I wasn't hitting it but I am with the water temp at 50

  8. #8
    Fastest in my cove sfackett0's Avatar
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    k, yea i remember when i did some stage one mods (grate, 14/19, wedge/rod/4" intake) I was hitting 72ish speeds. Cant remember if I was at the limiter or not.

  9. #9
    MSRXP's Avatar
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    Send your prop to Jerry. He pitched mine to 8140. Limiter is in two stages on the RXP skis. Soft limiter is at 8160 and the hard limiter is at 8200. With my mods I recently added on the new ski I just bought, I had Jerry pitch the prop and it is screaming.

    R & D Grate and 2.5 degree pump wedge with VTS and steering extension, 4 inch KanaFlex, 14/19R (Hulk Pitched) First run was 73.9. Second run maxed out at 74.5 on GPS. Picture below to prove that.

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  10. #10
    5.0. alex_baker202's Avatar
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    Quote Originally Posted by MSRXP View Post
    Send your prop to Jerry. He pitched mine to 8140. Limiter is in two stages on the RXP skis. Soft limiter is at 8160 and the hard limiter is at 8200. With my mods I recently added on the new ski I just bought, I had Jerry pitch the prop and it is screaming.

    R & D Grate and 2.5 degree pump wedge with VTS and steering extension, 4 inch KanaFlex, 14/19R (Hulk Pitched) First run was 73.9. Second run maxed out at 74.5 on GPS. Picture below to prove that.

    Click image for larger version. 

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    How much he charge ya... Sounds like what I need to do. Hows it work. You tell him your mods and he pitches it to that or what?

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