Home › Forum › Ask A Member › Johnson 30 HP RD18 gearcase › Re: Johnson 30 HP RD18 gearcase
November 10, 2017 at 9:53 pm
#67228
The free floating bushing was a design change. Since the bushing can rotate, the surface speeds / wear are divided between the ID and OD. HOWEVER, the ’54 gearcase won’t bolt up to the ’56.