Thread: RT188

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  1. #1
    Member
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    Jun 2004
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    Crystal springs
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    RT188

    Morning guys have a cople questions: 1. I have a 2018 RT188/Mercury 115Pro XS Everything dealer/factory mounted have not messed with it Getting over 6000RPMs at wot/full trim Seems high what is normal 2. My hummingbird helix 10 side imaging does not seem to work properly not good imaged Any pics available as to where you have your transdurer mounted with good results ------- PS engine mounted in 3rd hole from top
    Last edited by skeeterbit; 03-23-2020 at 07:00 AM.

  2. Member tcesni's Avatar
    Join Date
    Apr 2005
    Location
    Smith Mountain Lake, VA and a cottage in Ontario
    Posts
    11,610
    #2
    Maximum rpm for your motor is 6300 rpm.
    2018 Ranger RT188 SC Black/115 hp Yamaha SHO 4-stroke; Garmin LVS34 - north
    2018 Ranger RT188 DC Black/115 hp Merc Pro XS 4-stroke; Garmin LVS34 - south
    14' Mirrorcraft tin boat (ancient) with a 9.9 Mercury 4-stroke, no electronics; catches fish anyway

  3. Member
    Join Date
    Aug 2012
    Location
    Clarksville TN
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    31,879
    #3
    Agreed, sounds like you are where you need to be.




    I have my transducers mounted on a Cabela's mount.

    https://www.cabelas.com/product/MOUN...0.uts?slotId=0

    Several have made their own from cutting boards.

  4. Member
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    Jun 2004
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    Crystal springs
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    #4
    Thanks Good to know