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  1. #1

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    Smile 2004 msx 110 impeller question

    Hi guys,

    I pruchased a new SS pump housing and a NUJET 6.5 destroyer impeller for my 110.
    This impeller was recomended by an un-named super store. My ski seems to have lost a good bit of it's upper RPM 6300 - 6400, and on launch it will spool up and then just flaten out, kind of like a boat that has been over proped. My question for the experts, is this impeller to big for a stock MSX 110, or should i be using somthing like a Solas 12/17.

    Thanks for the help.


  2. #2
    Kosh's Avatar
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    Welcome

    Solas recomend 12/18 for the MSX110 and 13/19 for the MSX150
    I tried a recomended Nujet I think it was a 7.0 for the 150 it was just as you described. Send it back.

  3. #3
    casey67's Avatar
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    They may be confusing the 110/150 with the MSX140.
    I have not seen a pitch for a 110 impeller. Some one said the 150 impeller has a pitch of 7/20.5.
    The 12/18 sounds about right for a stack 110.

  4. #4
    Matrix 4-Tec spannerspencer's Avatar
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    Quote Originally Posted by Kosh View Post
    Welcome

    Solas recomend 12/18 for the MSX110 and 13/19 for the MSX150
    I tried a recomended Nujet I think it was a 7.0 for the 150 it was just as you described. Send it back.
    ive used Nujet impellers too, and my opinion is they are pants. same results. i ended up sending my original impeller to impros usa, they can do magic with impellers!

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by casey67 View Post
    They may be confusing the 110/150 with the MSX140.
    I have not seen a pitch for a 110 impeller. Some one said the 150 impeller has a pitch of 7/20.5.
    The 12/18 sounds about right for a stock 110.
    Keep in mind that the MSX 110 is not 110HP, it is more like 95HP, similar to a well running 700cc two cylinder engine.

    The RPM at WOT on the Weber motor is higher than a stock 2-stroke, so the impeller doesn't need or want a lot of pitch.

  6. #6

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    Thanks for all the replies, sorry about that Kosh i ment 12/18, just thinking i had a bigger ski, HA HA.
    Will order the Solas now, unless anyone has a better recommedation. Has anyone ever used a Skat-Trak?

    Thanks

  7. #7
    desperado's Avatar
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    Quote Originally Posted by MSX ADDICT View Post
    Thanks for all the replies, sorry about that Kosh i meant 12/18, just thinking i had a bigger ski, HA HA.
    Will order the Solas now, unless anyone has a better recommendation. Has anyone ever used a Skat-Trak?

    Thanks
    I have tested all NuJet impellers on the MSX150 ski. Your 6.5 is way too tall. I have found the 5.0 can work ok and the smaller 4.7 was quite good, but did not hook up as well as the Solas 13/19 for the MSX150. For the MSX110, you will want to consider a 12/18 as the tallest impeller.

    In my opinion, the oem MSX150 impeller is very good and perhaps the best available. You can successfully use it on the MSX110 by removing 1 degree at the front and the back.

    My $0.02
    Last edited by K447; 06-25-2011 at 11:49 PM.

  8. #8

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    Thanks all.

    Received my new Solas 12/18 yesterday and went playing today, runs wonderful 6900 - 7000 @ 51-52 Mph.
    Now if i can figure out the charging problem it will be just right.

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