Home › Forum › Ask A Member › Johnson FD-10 parts › Re: Johnson FD-10 parts
January 4, 2017 at 6:36 pm
#50304
These motors have the same 2.375" bore as the ten horse motors and use the same 378416 piston rings. The head gasket is P/N 203247. Heck, here’s the parts manual showing the original P/N’s.