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  1. #1
    Member
    Join Date
    Mar 2018
    Location
    Alabama
    Posts
    9

    189TRX Mercury 4 Stroke Setup help

    Bought new in March. Done my break in and now trying to set it up. From dealer 4 3/4 pad to prop. 21 tempest plus 52 gps. @ 5800 with water spray ahead of the console. No lift in the front. Researched how other owners had set their boats up. 3 3/4 to 3 was the average. I set mine up at 3 1/2 and got 42 gps 5800 with no lift and it feels like itís blowing out. No lift and water spray ahead of the console. I read the how tos on leveling the bottom of the boat and motor then measuring pad to prop. Simple enough to do in my shop. Iím running a light and with a half tank. Welcome any advice. Old mechanic scratching his head on this one

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  3. Member
    Join Date
    Mar 2018
    Location
    Alabama
    Posts
    9
    #2
    Adjusted motor to 4 1/2 pad to prop and got the lift but lost speed 45 gps and increased rpms to 6200. Triton says leave it there a try a 23 tempest

  4. Member
    Join Date
    Dec 2013
    Location
    Spring Hope,NC
    Posts
    3,773
    #3
    Assuming you haven’t buggered up your prop,you can have some cup added to it or install a jack plate. A plate will give the prop more leverage to get the bow up.

  5. Member
    Join Date
    Mar 2018
    Location
    Alabama
    Posts
    9
    #4
    6” jack plate and no prop damage.

  6. Member
    Join Date
    Dec 2016
    Location
    Liberty Hill Tx
    Posts
    42
    #5
    If you can I would try a 23 bravo FS my buddy has the same motor and jack plate on z-7 with 2 poles and is running 56 mph at 6,000 rpm 3 1/2” below pad

  7. Member
    Join Date
    Mar 2018
    Location
    Alabama
    Posts
    9
    #6
    I talked to my dealer today and he has one I can try.

  8. Member
    Join Date
    Mar 2018
    Location
    Alabama
    Posts
    9
    #7
    Update Took my boat to the dealer and he found my trim sensor was defective. He also put a 23 tempest prop on my boat. First set up was 3 1/2 pad prop. No good. Went up more at 1/4" increments. Not any better. I had to go down to 4 1/2 pad to prop. Boat handed and rode great. Final results after going up and down on the jack plate 57.3 mph @ 5800 alone. 56 mph with two people @ 5750. All gps speeds.