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  1. #1
    rosey's Avatar
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    speedometer wheel accuracy

    So I was riding along a friend in a fast flowing river yesterday. His speedometer said 70 mph (on his ultra 150) and mine said 60 mph and was kind of eratic jumping around several digits. The weekend prior in the Bay mine was reading 70 mph and was not a eratic which is closer to accurate at full speed. I know these things are not completely accurate but that is a large difference and the eratic behavior makes me believe mine is not working correctly. could it be the river conditions? Could someone explain this to me?

    Thanks


  2. #2
    rosey's Avatar
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    I could not tell a difference in the performance of my machine. i am pertty sure I was hauling A just like normal.

  3. #3
    Just relax and enjoy the ride. XLT Chad's Avatar
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    Those little wheels that the stock speedo uses are very unreliable by what Ive seen.
    Use a GPS for accurate measurment.
    My speedo reads about 35 when my GPS reads 50. Ive seen it the other way around on other skis also.

  4. #4
    my vxr says 72. and i highly doubt it will go 72.

  5. #5
    lets race.... mikeFZR's Avatar
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    My speedo is pretty accurate. It is never more than 3-4mph off from my GPS. I run a Jims modified VX plate so Im not sure if that affects the accuracy.

  6. #6
    Something similar happened to me last week on my fzr with vx ride plate. I lowered the plate to change my prop and when I went for a ride the speedometer was wavy between 70-75. It would normally peg 80(I was not going that fast). Since it is in the water i can't tell if anything is stuck. Maybe you have a small piece of debris stuck in the wheel.

  7. #7
    Vroooooom! CougarKiller's Avatar
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    on my VXR it will jump between 71-74 when maxed out = 67-68 on GPS

  8. #8
    B-Lo's Avatar
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    mine was always off once i got above 55 or so. Even worse now with the RD plate

  9. #9
    SCHNORR12's Avatar
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    They call 'em dream-o-meters for a reason. The only accurate measurement is a GPS.

  10. #10
    Carbonic's Avatar
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    Mine is always about 4-5 mph faster than the gps depending on the water.

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