I've found enough info I felt comfortable with starting so I disconnected the trim cylindars but the drive unit appears to be stuck to the bellhousing any suggestions on how to get the two apart without causing any damage? 
and I didn't mention it but yes the six lock nuts are also removed LOL
edited.........
Alpha 1 1990 model
I'm trying to follow the instructions found here
http://boatinfo.no/lib/mercruiser/manuals/mercruiser6.html#/16
and I didn't mention it but yes the six lock nuts are also removed LOL
edited.........
Alpha 1 1990 model
I'm trying to follow the instructions found here
http://boatinfo.no/lib/mercruiser/manuals/mercruiser6.html#/16