I've got to work out the logistics of doing it now... there are a few challenges to consider.
1] Timing in getting the old one out... i'll need crane assistance from the yard, so that'll be a mid week job... and will require me to remove the access hatch in the cockpit floor.
2] Maintaining the waterproof-ness of the cockpit while the hatch is removed, without having to do the whole job of out and in over a couple of days
3] Sorting out the engine compartment, and timing the paint job for decent weather, so that it will actually dry!
4] Working out how to deal with the engine feet... will I need to put new bearers in, or can I use modified feet?.".. or something like a bar across the existing bearers?
5] Fitting a thrust bearing, or facing an alignment challenge...
6] Storing the new engine until it is fitted... will the yard hold it for me in their shed?... or will they be unhappy that i'm not buying through them?....
7] Lead time on the engine... will it be weeks and weeks?
So many questions to deal with.... it's going to be fun!