Home › Forum › Ask A Member › Piston Rings for Johnson FD-10 › Re: Piston Rings for Johnson FD-10
May 1, 2017 at 3:09 pm
#56939
No need to be confused Fleetwin. The first Johnson FD model in ’56, the fifteen horse FD-10, had the same 2 3/8" bore size as it’s cousin, the ten horse QD series of motors but the stroke was different. In ’57 the bore was increased giving the FD motors eighteen horsepower. Same bore, same rings.