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  1. #1

    reliable power rxt?

    Are the following mods going to make my rxt any less reliable or are they straight forward power gains? Rotax ic,rr s/c impeller with spacer and 42 injectors. What gains would be expected? Running 07 rxt riva air intake,grate,oapas block off,shorty waterbox riva free flow stock exit,13/19r.Cheers.


  2. #2
    JFizzleJR's Avatar
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    As long as the AFR is in a safe range at WOT (11.7-11.9 is good), very little reliability will be sacrificed. Of course, whenever you add boost it will put more stress on the engine. But sometimes it's what you have to do to have fun

  3. #3
    HOSS's Avatar
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    I`ve gotten 74.3 out of a `05 RXT with Riva loader, `05 stock RXP wheel, Riva power filter, holes filled, and first generation RR impeller, resonator eliminator pipe and a strainer. This is totally dependable and plenty fast in really rough seas.

    Forgot, a 2 degree wedge.

  4. #4
    sweet,but will it beat a 255 rs?

  5. #5
    Golden Jet red fox's Avatar
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    Quote Originally Posted by adonis View Post
    sweet,but will it beat a 255 rs?
    Yup ....

  6. #6
    Cheers Red Fox thats what i want to hear.Enough said.

  7. #7
    Nonstop, all day, everyday. 01xdime's Avatar
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    I ran a similar setup on my RXT with the riva S3 charger and i rode for 130 hours with no problems.

  8. #8
    What performance did you achieve? What do you run now?

  9. #9
    Nonstop, all day, everyday. 01xdime's Avatar
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    At the time i was averaging 73-75 mph depending on temps. Right now my ski is in pieces so i couldn't tell you now. You will have to keep a closer eye on the SC. Check the clutch and bearings every 30 hours or so.

  10. #10
    Is it better to renew the bearings and clutch when the new rr sc impeller is in installed? Only 20 hours,and what do you's advise stock or aftermarket?

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