update. pressure test proved the shaft seals to be bad..replacing those as well as the water pump impellar, seals, etc. as long as I have it disassembled. I ran some light weight oil through the unit and did not see evidence of metal shavings......so......I'll get everything back together (and...
I just checked the gearcase oil level and it is EMPTY!!! The prop turns smoothly and seems to be fine. WTH. I've had no issues and I do yearly maint. Must have been a very slow leak!?? What should I be aware of/ looking for besides just refilling? Any comments besides the obvious, check it...