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  1. #1

    Default 2017 helix speed off

    Hey guys just got my boat back from storage at the dealer and my speedometer is way off. At 12 mph real speed in at 4.3 mph on the screen and at 22 real speed Iím at 10 on the screen. Any ideas? Thanks!


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  2. #2
    Join Date
    May 2018
    Posts
    1,335

    Default

    GPS or paddlewheel?


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    2018 Supra SA 400
    Michigan

  3. #3

    Default

    Paddle wheel


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  4. #4
    Join Date
    May 2018
    Posts
    1,335

    Default 2017 helix speed off

    The paddle wheel is known to go bad often, the sensors are not very robust.

    Easy fix if it needs to be replaced. Easiest if boat is out of water but can be swapped if in the water.

    Yours should still be under warranty.

    The odd thing on a Supra is they have GPS and the paddle wheel as back up????

    Not sure why GPS needs a back up unless that sensor also does water temp.


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    Last edited by larry_arizona; 05-06-2019 at 08:54 AM.
    2018 Supra SA 400
    Michigan

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