What ratio does a 1989 mercury 115hp inline 4 need. Also what oil do yall recommend? Thanks
P Prentissboater Cadet Joined Jan 14, 2017 Messages 22 Jan 30, 2017 #1 What ratio does a 1989 mercury 115hp inline 4 need. Also what oil do yall recommend? Thanks
Alumarine Captain Joined Feb 22, 2005 Messages 3,749 Jan 30, 2017 #2 Has the auto oiler been disconnected? If so, or if it never had one then 50:1 is the ratio. Any TCW3 oil will work.
Has the auto oiler been disconnected? If so, or if it never had one then 50:1 is the ratio. Any TCW3 oil will work.
