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2018 Z185 motor swap
From a 2018 Proxs 2 stroke to a 2023 Proxs 4 stroke both 150hp. What additional things would be required; tach, key, etc?
Additionally what is a reasonable trade in value of a 2018 150 hp PROXS with 150ish hours?
Thanks,
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Mercury 3L/4 Stroke/Verado Moderator
Please see the Forum Announcements, and be sure to provide the Required info (serial number) when posting. Mercury doesn't use "years" so the engine description isn't going to help much in this case (build date, then reference NADA to see what pricing range is).
If you don't have a Smartcraft Instrument, you'll need one. You MAY end up changing props, but your current one is a good starting point for reference.
Engine mounting hardware- install new. May need rigging hose or flanges, depending on what you have.