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    Go 1800 stage 1 kit 75mph, what happened?

    2018 GP1800,instaled stage 1 kit and it want go but 75mph, what’s wrong


  2. #2
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by Josephew View Post
    2018 GP1800, installed stage 1 kit and it won't go but 75mph, what’s wrong
    Where are you located?

    Please detail what you have installed.

  3. #3
    Stage 1 kit plus, Ride Plate,13/20 impeller and breather upgrade. Eastern North Carolina. Charolette- southernPines-Rockinham NC today it is 75 and water very calm!

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    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by Josephew View Post
    Stage 1 kit plus ...
    Stage 1 kit from which company? Riva Maptunerx?

    What sustained maximum RPM are you seeing the water?

    What gasoline octane are you using?

    Which ride plate?
    Does it have Jim’s cut modification?

  5. #5
    What are you using to measure your speed? GPS or the gauge/speedo?
    Is the hull porpoising (nose bouncing) any at top speed?
    How much fuel is in your tank?
    How much do you weigh?

    I know these packages work well....something simple is being overlooked. Let us know on the above questions...… Thanks!

  6. #6
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by Josephew View Post
    2018 GP1800,instaled stage 1 kit and it want go but 75mph, what’s wrong
    how many RPM? What's the elevation of your riding area? Temperature of your riding area? You going by the stock speedometer, or handheld GPS?It could be many things. Possible boost leak.


    Get me more info!

  7. #7
    MSX 150 guy lives on Mr. GP1800's Avatar
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    Did you tune the ecu or is it still stock? If you haven’t tuned it you will never go faster than the speed limiter allows. I don’t see anything mentioned about a reflash on your ski

  8. #8
    Instaled stage 1 plus kit,GPS speedometer and hand held GPS to check speed,SPeed O onley showes 8000. 175 lb , 93 octain gas,Elevation 659 ft,slick water. Buddy did the same to his 2017 gp1800 and he does 82mph. Running in neutral position. Help am about sick of this ski!

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  10. #10
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by Josephew View Post
    Riva
    Did you install an aftermarket ECU tune?

    If yes, which one?

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