Home › Forum › Ask A Member › 1977 Johnson 2 hp Piston ring gap › Re: 1977 Johnson 2 hp Piston ring gap
February 21, 2018 at 3:39 pm
#71422
Hastings recommends a MINIMUM of .0035
gap per inch of cylinder diameter.
A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.