Home › Forum › Ask A Member › Can 1955 mark 25 lower drive unit fit 1956 mark 25 › Re: Can 1955 mark 25 lower drive unit fit 1956 mark 25
March 10, 2016 at 9:35 pm
#33206
as I remember during the change over period some omc’s were "full jeweled" except for the wrist pins. I may be wrong I know more bout Merc’s than OMC’s