I used to lift my 115# Avon RIB
by attaching a halyard to a tight bridle on the dinghy's stern. I would crank it up until it was vertical with the stern above the lifelines
. Then I would grab the dingy's painter which I tied to a lifeline prior to lifting. I next lifted the bow of the dingy over the life line and pulled it towards the bow while Wifey released the halyard. Next involved manhandling the dinghy to turn it upside down with the bow at the bow of my Hunter
of removing the outboard
(another 70#s or so), seat, oars, fuel tank
and whatever else was in the dinghy, then lifting, setting it on deck, turning it over and securing it took me about 15 minutes.
Today on my 40' Silverton, I attach a crane hook to lines tied to both the dinghy's bow and stern, push an electrical
contact button, lift the dinghy with the outboard
, oars, seat, fuel
and everything thats in it over the life lines, push the crane around so the dinghy is above its chocks and lower it.
Takes about 3 minutes with no pain.