On a fresh water motor they usually come out no problem.----Done more than one 67 tear old motor.-----Pouring boiling water over the block/cylinder head area will heat the area of the threads.---Expands the aluminum and releases the grip.
Folks today know little about mechanical things.----Do you see folks lifting the hood at the gas station to check oil ?----Or it costs too much to have the local boat shop do simple stuff like a lower unit reseal, I think.
These motors start right up if in good condition.-----If the starter does not spin the flywheel fast enuff there will be no spark.---Does spark jump a gap of 3/8" on each lead with plugs still in the head ?------And are you pushing the key in and holding it in while cranking it over?-----Have...
