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  1. #1

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    GPS'd both of my skis today

    Semi choppy water both skis with full tanks of gas 190lb rider

    97 XP - 51.3mph
    97 SPX - 53.0mph

    The SPX cavitates extremely bad right now, i'm thinking wear ring but I won't know anything until tomorrow.

    The XP I thought ran good, usually I would walk away from the SPX on it but I don't know. I expected 53mph or so out of it because my buddies runs that.

    We GPS'd:

    2 97 XP's - Mine was 51.3, buddies was 53.8 (He's roughly 40lbs lighter?)
    1 96? HX - 51.xmph
    1 97 SPX - 53.0 I was very happy considering how bad it cavitates
    1999 Kawasaki Ultra 150 - 62.xmph

    The other XP went 53.xmph (His ski is a little faster than mine, not sure why although he's about 40lbs lighter than I)
    The HX went 51.x

    The other HX out with us, steadily pulled away from me and the Kawasaki Ultra 150 with us just flat out put a bus length or 2 on us.

    So I guess the question is: Are my 2 skis running roughly what they should or is sum ting wong? I'm about a month into owning them and slowly fixing items as I find them, figure out what they are and how they work, etc....

    I do not have tachs on the skis - the XP is a very hard to start ski, I need to figure that out. 25 seconds to finally get it going (roughly)


  2. #2
    flyin' the friendly skies airbornexp's Avatar
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    sounds like a wear ring on the SPX for sure...that is the same as my 96XP and it runs 59mph GPS. The newer XP's are a bit off. I think that they went 55 but im not too sure. As for the HX thats about spot on for a 720. What is on the other HX? pipe? 787 conversion? as for the hard starting I would rebuild the carbs. you have a leaky needle and seat...when they are stuck open or closed this happens

  3. #3

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    Thanks for the insight.

    Both of the HX's are completely stock - it could have been on one of my slower runs that the HX pulled away from me. My 97 Xp dipped all the way down to 49mph, had a run of 51.3, etc... was just on and off. I have work to do, i'm aware of this, I was just trying to find out if I was close to what they should be running or not.

    59 with a 96 XP - that's very encouraging even tho top speed is not my goal with the skis. I just want to know that they're running correctly.

  4. #4
    flyin' the friendly skies airbornexp's Avatar
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    my 96XP is mostly stock. stock motor with pump mods in my sig.

  5. #5
    "Tearing it up on the water" seadoobutch787's Avatar
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    Put some mods on that biatch! Hey airborn the waves over on the west shore of michigan are HUGE 9=12 footers today!!!!!!

  6. #6
    flyin' the friendly skies airbornexp's Avatar
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    dude if I could come up there if i didnt have to work tomorrow....I miss the big surf. nothing like putting the ol girl up in the air about 25 ft clearing the gap of two 12 ft waves

  7. #7
    Insane.......don't mean to threadjack...but jumping 12' swells....insane. I'd love to try that some day....any pics...vids?

  8. #8
    seadoobutch, love your sig

  9. #9
    flyin' the friendly skies airbornexp's Avatar
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    nothing that a 6 pack of liquid courage cant fix thats how I learned how to do it in the first place.

  10. #10
    steach's Avatar
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    Quote Originally Posted by The Angry Snail View Post
    We GPS'd:
    2 97 XP's - Mine was 51.3, buddies was 53.8 (He's roughly 40lbs lighter?)
    1 96? HX - 51.xmph
    1 97 SPX - 53.0 I was very happy considering how bad it cavitates
    1999 Kawasaki Ultra 150 - 62.xmph
    That's cool :yay2: an old school show down. (the SPX should have walked the other SD's) check your carbs!

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