Run it and see if it goes milky. If its alittle condinsation it wont turn the oil milky
As far as I am concerned an outboard will rev in nuetral on 2 of 4 or 2 of 3 cylinders.-----Testing like that means NOTHING to me.
was any work done to the engine and was the engine running correctly before the starter went bad.
Do you still have the heat exchanger?
Inboard flywheel? How would I know. I got the motor to spin through the starter hole. No teeth missing I just don't think they are meshing up right