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Thread: Turbo whinning?

  1. #1
    06Busa's Avatar
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    Turbo whinning?

    Took the wifes ski out, noticed a whin. Think it is the turbo. No noise at low or full throttle.
    Only whins when running med speeds.

    Good, bad? Is this something I need to repair?


  2. #2
    06Busa's Avatar
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    Anyone?

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    whats the boost guage say ? have you checked the turbo , there a bitch if they are rusted , crazy A has some killer pics of ones that got the sickness ,

    can you provide a video

  4. #4
    06Busa's Avatar
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    No vid or gauge. It's just a stock MSX150.
    Rust? It did sit a long time.

    I forgot all about the turbo gauge on the gauges. It ran good. Just had some noise during moderate riding. Plan on taking it out again this week. Waiting for clutch washers for my RXP.
    Last edited by 06Busa; 09-30-2007 at 08:51 PM.

  5. #5
    Rocky_Road's Avatar
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    Quote Originally Posted by 06Busa View Post
    No vid or gauge. It's just a stock MSX150.
    Rust. It did sit a long time.
    Your stock MSX 150 does have a boost guage on the right side of the MFD (although I have read in this forum that it doesn't register true boost values, but is connected to the engine RPM's). If the waste gate door was stuck in full boost, you would get a Check Engine light, and your RPM's would be reduced to around 4500 max. The fact that you seem to be reaching full RPM's eliminates the possibility of any overboost issue....

    There is a troubleshooting section on the turbo in the Service Manual on this site....

  6. #6
    06Busa's Avatar
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    Just found the manual. Thank you.
    From what I read change oil & filter, check coolant, may as well change.
    But says replace turbo assembly. I will look at the turbo but probably run it after fluid change to see how it sounds.

  7. #7
    Rocky_Road's Avatar
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    Quote Originally Posted by 06Busa View Post
    Just found the manual. Thank you.
    From what I read change oil & filter, check coolant, may as well change.
    But says replace turbo assembly. I will look at the turbo but probably run it after fluid change to see how it sounds.
    Mobil 1 has brought back their synthetic 15W-50W by popular demand...and it is rated SM, at least three generation improvements over the SJ called for in your manual. You can get the Mobil 1 at your local WalMart for a fraction of what you will pay at the Polaris dealer!

  8. #8
    06Busa's Avatar
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    Cool. That is what I will run. Also, some of the auto stores like Pepboys, Autozone, Murrays usually are pretty good on thier oil prices.

  9. #9

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    also if you want synthetic , a good member is a authorized amzoil dealer 1 800 amzoil 4 u ask for kevin tell em your a green hulker

  10. #10
    06Busa's Avatar
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    I was leaning to Amsoil for the bike next season.

    Still wondering if there is anything to worry about? The noise was not present the whole time when rode last. I only drove it a few minutes. Let my buddy ride it for about 2 hours. It ran good, but the occasional noise. I was wondering if the waste gate was hanging up. I cant view the PFD here at work. This computer is crap.
    I was planning on getting familiar with the layout. I dont even know where the waste gate is, if it can be worked or lubed to free up.

    I do have the extended warranty. That is why I was willing to ride before replacing the turbo assambley.
    Does the turbo have any replacable parts?

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