SusanSailor said..
I have a 6 HP outboard right now which came with the boat but would like to get a second motor to be safe, but I am worried I will get a motor which does not fit through the trap door.
I had a Volvo outboard in my Endeavour 24 in the mid 70's. As long as your motor is not the same what ever you have will be better! What motor do you have? 6 hp is more than enough in a well. If it's a Johnson/Evinrude with CDI packs or similar I would suggest having it serviced. Check the brand and get the number off the plate and see exactly what you have.