Home › Forum › Ask A Member › 1957 Johnson 10hp and 18hp gears › Re: 1957 Johnson 10hp and 18hp gears
July 9, 2018 at 3:35 pm
#79271
Anonymous
After looking at the parts lists and looking at several lower units, it seems that the 1952-1955 QD and the 1955 FD came with the same straighter cut spiral gears(pinion,forward,reverse). While the 1956-1957 QD and 1956-1957 FD came with more curved cut spiral gears(pinion,forward,reverse). The clutch dog seems to be the same in the above units. IMHO I think that each style could be interchanged as a set from 1952-1957.