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  1. #1
    Light da fuse and run like hell ! Powder Keg's Avatar
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    NOS for ski engine ?

    Has anybody seen a NOS setup on a 4 stroke ski engine similar to that used on a 4 cylinder car engine ?

    If so what can be expected other than the power gains ?

    Is it illegal to do ?


    Keg


  2. #2
    DRC 4 LIFE TheDome's Avatar
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    There is a button at the top of the screen that says search, and no it is not illegal.

  3. #3
    Light da fuse and run like hell ! Powder Keg's Avatar
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    That did not help - I really don't want to read thru 1000 posts for an answer to this question. I will try else ware...

    thanks

    keg

  4. #4
    fxho's Avatar
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    If you find somethin please let me know. that would be very interesting and no its not illegal

  5. #5
    Addicted Member 5001craig's Avatar
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    I've had people ask me when I was going to do that.

    I think it would take a variable pitch impeller to make NOS work.

    Power increases must be accompanied by impeller pitch increases--I didn't see much change in top speed until I changed my impeller even with a lot of my mods already done.

  6. #6

  7. #7
    Moderated
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    ask duke, he will know.


    i seem to recall something about some members using NOS to spool up their turbos or soemthing but as i am a 2 stroke guy i did not pay much attention......

  8. #8
    wakewhornc's Avatar
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    sorry guys but it just itches me when you say NOS cause NOS is a brand what youre trying to say is nitrous

    done ranting now, carry on!

  9. #9
    Light da fuse and run like hell ! Powder Keg's Avatar
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    I did in fact search both ways including (Nitrous oxide system for 4 strokes)
    and got nothing in return...

    The response about 2 seconds worth of search was from a 2 stroke thread.
    Does not say anything about yamaha VX or FXHO.

    If it was there I would have had to read thru a whole bunch of posts to find it.

    NOS can also stand for Nitrous Oxide System

    Also - People think Nitrous is flammable ! When in fact it is not.
    The movies like Fast & furious made it seems as if it was like carrying a bottle of LP gas, Nitro methane. All the Nitrous really does is help concentrate the fuel during injection.
    So to speak...

    If someone out there has details in regards to these models and how it installs, downfalls to installation, ect. Please chime in....

    thanks again

    Keg

  10. #10
    Talk to JD1. Not sure how much info he will be willing to share with you, but at one point he was running nitrous on his RXP. 4 stroke SCIC motor like the Yami, so I can't imagine the fundamentals would be much different.

    Problem you are going to run into with nitrous is prop pitching. You're going to need two totally different props. A standard prop for when the ski is not on nitrous and a prop pitched for your 10sec run while on nitrous.

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