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  1. #1
    Member
    Join Date
    Jun 2013
    Location
    indiana
    Posts
    81

    Z21 ATLAS JACKPLATE QUESTION

    Just purchased a atlas hydraulic jack plate for my 2017 Z21 and getting ready to install.
    My question is ...witch upper mount holes on your jack plate are you using.
    There are two upper mount holes on each side of the jack plate to choose from to mount to the boat.
    Is your top bolts through the upper holes or the lower holes ?
    Please let me know , thank you
    2017 NITRO Z21
    250 MERCURY PRO XS
    POWER POLE BLADES
    LOWRANCE ELECTRONICS
    PRECISION SONAR MOUNTS

  2. Moderator Fishysam's Avatar
    Join Date
    Oct 2016
    Location
    Jamestown North Dakota
    Posts
    9,329
    #2
    you want the motor to be centered in the sweet spot for your hull, maximum down and up from running in perfect conditions, just figure it out as no one has stopped by with how theirs is set up
    Mercury 250 proxs 2B115089

  3. Member
    Join Date
    Feb 2017
    Location
    Houston, TX.
    Posts
    523
    #3
    I have the same boat and jack plate. My dealer installed mine. I had to have them raise it as it was too low. I don't remember what holes it was in but can take some pictures of it this weekend.
    '17 Nitro Z21, 250ProXS serial # 2B399616, 24p Fury4, 12" Atlas, Apex 16 @ console, Apex 16 & Apex 13 @ bow, Mega 360, Ultrex, 8ft blades

  4. Nitro Boats Moderator BMCD's Avatar
    Join Date
    Jun 2004
    Location
    Brookeland, Texas
    Posts
    17,466
    #4
    I want to say I had it on the top hole on my 2017.
    Bryan McDonough
    2023 Nitro Z21 XL
    Nitro Team