Re: 1976 55hp Johnson What is this hole for? see pic
My 77 had the same hole, my belief was it waas just there, never did anything with it and it didnt affect how the motor ran. Hopefully I am right, hate to give bad advice.
Re: 1976 55hp Johnson What is this hole for? see pic
That hole was put there to drive you nuts wondering about it. Nah, actually if you drop back a few years you will find a temperature switch in that hole. The switch was used to activate the semi-automatic choke. Since the semi-automatic choke was no longer used in 1976, the hole simply was left open.