Boat Speedo’s

  • mnwalleyehunter
    Posts: 108
    May 13, 2008 at 11:35 pm #1236441

    Just wondering how accurate the boat speedometers are. I had my boat out just for a swing around the lake and forgot my GPS. Since it is a new boat and I forgot my GPS, how accurate are these? My boat showed it was going 46 MPH at 5000 RPM with a mercury 90 on a 1890 warrior. Is that what I should be getting??

    Thanks

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