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  1. #1
    wavehummer's Avatar
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    Runs Sluggish after mods !!!!

    Just had the ski in the water after completing all the mods. Ran it on the hose and sounded good, got to ramp..sounded good. Put it in the water and about 100 yards from the ramp it started running sluggish!! rmps and speed low, sounded like it was too much water in exhaust!! Put the ski back on the trailer and ran it, it sounded little sluggish at first then ran good!! I thought maybe the plugs but, wouldn't it be sluggish on hose and trailer also if it was plugs??
    whats up!!!!!
    I was leary about this thru hull exhaust, I think too much water gets in.


  2. #2
    Fast & Loud meeper's Avatar
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    that exhaust is designed so water cannot get it, the pipe goes above the water line, there is no way in hell water gets in that waterbox from outside...i would check the plugs, with stress of the water on the engine you would notice a difference on/off the trailer

  3. #3
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by wavehummer View Post
    I was leary about this thru hull exhaust, I think too much water gets in.
    No need to be leary. Hundreds upon hundreds are running that same thru hull exhaust with zero issues. You aren't getting too much water in. In fact, the Riva thru hull exhaust location is actually higher than that of the stock exhaust exit.

    Press the set button 5 times to see if you get any trouble codes on the display?

  4. #4
    wavehummer's Avatar
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    No codes whatsoever, and it seems to run sluggish in the water only. On the hose or out of the water it sounds good.

  5. #5
    wavehummer's Avatar
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    I hit the set button 5 times, it gives one long beep, then says "END"

  6. #6
    wavehummer's Avatar
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    What are the clear hoses that join together and are tied up to the back of the hull? Are they coolant hoses? My coolant level is good, but I did notice the hoses are not. One hose is filled about halfway up.

  7. #7
    CRAZEDRXP's Avatar
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    they are your bailer tubes ... your in philly still? Stop over ill take a peak at it for ya ...

  8. #8
    CRAZEDRXP's Avatar
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    What mods? What rpm? What prop? Intake ? who did the work?

  9. #9
    wavehummer's Avatar
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    Riva stage I kit without the new grate, Riva thru hull, pump wedge, new plastic wear ring...I did the work and Jerry did the metal washers,

    wear are you located? I have to go to work right now. you around tomorrow?

  10. #10
    Fast & Loud meeper's Avatar
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    I might be in your area too, i'm in west grove pa or newark de

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