Home › Forum › Ask A Member › Merc fuel coupler o-ring install › Re: Merc fuel coupler o-ring install
October 29, 2018 at 12:05 pm
#85158
I found the answer!! The "groove" for O-ring isn’t actually a machined groove. Part is bored straight thru, then O-ring installed and a washer is pressed in to hold O-ring .