I hear you not knocking you or the motors but one you asked so of course the replys will come.

Its easy for people to put whatever price tag on stuff until its their money to buy it. just saying -

Good luck with the sale and of course hopefully you will get what you want for them. They are only worth what someone is willing to buy them for and how much life is left in them in a buyers thoughts.

Then I'd say 3k each max

where would be a good place to advertise them? here? id be happy with less than that.

The Swap Shop on here and then on some FB boat pages.