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  1. #1
    Petron's Avatar
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    Idle RPM for 96 SPX

    I just purchased a 96 SPX 720 in great shape for the wife. It has the original grey fuel lines so over the winter I'll make it my project to get her up to par for the next summer season.

    In the mean time I noticed this model ski doesn't have an RPM gauge and wanted to know how I can confirm proper idle RPM in/ out of the water?

    It starts up fine with no problems & idles great, haven't put her in the water yet.

    Thanks


    I'll post some pics shortly


  2. #2
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    two options.....

    proper idle in water should just provide a little bit of forward motion..enough to make perhaps 3-4 knts.

    buy a tiny tach or other 2 cylinder tach and set out of water rpm to 2500-3000..spec is 1500 in water if my feeble memory is working today.

    I went with another brand of tach that was substantially cheaper, as I didn't need the tiny tach feature set..and that tach works on 2 and 3 clyinder engines..tiny tach as a model for two and another for 3

  3. #3
    Petron's Avatar
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    Some pics

    Here are pics from my recent purchase.
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  4. #4
    flyin' the friendly skies airbornexp's Avatar
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    Wow! shes in really good shape for an ol' girl Nice score

  5. #5
    Work Harder, Millions on Wellfare Depend On Us! ultramaxracing05's Avatar
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    agreed, if you had the tach it should read something around 1500, i keep mine around 1,500.

  6. #6
    dghal's Avatar
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    1500 is the norm,, best set by ear,, as posted the ski should just move along at idle,

    HOWEVER, I would NOT be running it in the water till you replace the grey fuel lines and clean the filter/s in the carb/s

    if it is as nice as you say and has the grey fuel lines you may end up with a nice ski with a toasted motor

  7. #7
    Petron's Avatar
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    Rest assured, she won't be in the water till I replace those grey fuel lines, rebuild carb, change oil/ filters, change pump oil & wear ring. Also, I noticed the drain plug gasket needing replacing. So, a little TLC & shell be ready for the water. Honestly, overall she is in great shape & hope to keep it that way.

  8. #8
    what is that bag on the back end of the ski? is it just a storage bag and if so where can I get one. Storage on a ski is a valuable thing

  9. #9
    Petron's Avatar
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    Quote Originally Posted by IN96XP View Post
    what is that bag on the back end of the ski? is it just a storage bag and if so where can I get one. Storage on a ski is a valuable thing
    Yeah just a storage bag, very handy. It came with the ski - I'm sure you can purchase one online.

  10. #10
    flyin' the friendly skies airbornexp's Avatar
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    I just noticed this but I think you may need to add a little hydroturf inthe foot wells

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