Tartan 27' owner
Join Date: Jan 2008
Thanked 107 Times in 99 Posts
Rep Power: 8
OK. So your shaft is stainless and may not be 34 years old and you'd like to save it.
You are going to have to try to press the shaft out of the coupling then. I'd suggest getting a steering wheel puller kit from an auto parts store (see pic below). Having the 'puller' tool can save you from having to compress something between your output flange and shaft flange, if you can make enough space to insert it once the couplers are apart. This will be a much bigger PITA to do in the boat. The problem with the 'press out' method is that you can ruin both the output coupler and shaft coupler in the process.
Another fun part of this job (if you're going whole hog) is removing the old Cutless bearing. We tried pressing it out with a threaded rod and fittings but no go. Sawzall to the rescue again (2nd pic).
"The cure for anything is salt water~ sweat, tears, or the sea." ~Isak Denesen
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