What is the proper setting on a tach for a 77 Merc 1150, 115 hp, inline 6 cyl, 2 stroke? Thanks.
E emilime75 Petty Officer 1st Class Joined Jun 23, 2009 Messages 204 Aug 17, 2009 #1 What is the proper setting on a tach for a 77 Merc 1150, 115 hp, inline 6 cyl, 2 stroke? Thanks.
C Chris1956 Supreme Mariner Joined Mar 25, 2004 Messages 28,109 Aug 20, 2009 #2 Re: Proper tach setting? Setting should be 12P or 6C, whichever you have.