i have a 115 mercury,1980. will 80-90w hypod be the correct gear oil for lower unit?
M markmac Cadet Joined Mar 14, 2009 Messages 20 Apr 4, 2009 #1 i have a 115 mercury,1980. will 80-90w hypod be the correct gear oil for lower unit?
L Laddies Banned Joined Sep 10, 2004 Messages 12,218 Apr 4, 2009 #2 Re: lower unit gear oil Any marine grade 80/90 that GL-5 rated or better
