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  1. #1
    Site Admin Green Hulk's Avatar
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    Just tested the Riva power filter and free flow exhaust

    The results were extremely impressive. The difference in acceleration and throttle response was HUGE! The ski just snaps right out of the hole like a slingshot.

    Top speed bone stock was 66.8 mph with 4 bars of fuel.
    With only the additon of these two mods the ski ran 68.4 mph (same amount of fuel)

    Those that have been following my posts know i installed a boost gauge. Boost was at 7.0 psi. I spoke with Yamaha reps months ago and they told me stock boost was 5.5 psi so i basically saw a 1.5 psi improvement from the addition of the air intake. This is typicly what we see on the Sea Doo's when going with a freer flowing air intake.

    I can't wait to install the rest of the components of the RPM kit. The grate and ride plate are going to bring on more speed
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  2. #2
    DAGO RACING CREW 97GPSLEEPER's Avatar
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    Awesome, this big motor is responding good to modifications so far.

  3. #3
    Do Work Son 05RXPnoob's Avatar
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    And so it begins Jerry don't make me regret not buying one of these SHOs

    Jay

  4. #4
    Site Admin Green Hulk's Avatar
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    More good things are coming for this ski. Can't wait

  5. #5
    Never say never KirkF350's Avatar
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    Impressive.

  6. #6
    SHOin OFF 02gpR's Avatar
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    I CAN'T WAIT. . . this is GREAT news for us SHO ownes . . TIME TO OWN THE WATER !!!!! it felt great going around the lake stock and knowing im one of the faster ones !!! if they only knew what is coming for them !!!

  7. #7
    cheatin' piston popper addicted's Avatar
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    NICE what kind of rpm's is that thing turning?

  8. #8
    Sounds great guess I will be ordering those goodies next week! Probably won't do the boost gauge although it is VERY COOL!!


    What about exhaust sound WOT?? Loud?

  9. #9
    I take it that you could really feel the difference? Pulls much harder?

  10. #10
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by craig41071 View Post


    What about exhaust sound WOT?? Loud?
    I didn't find it loud at all. In fact, i was hoping it would be louder
    Sounds real good though!

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