What is considered good compression on a 98 merc 90hp?
T Tibb79 Cadet Joined Nov 10, 2007 Messages 13 Jul 31, 2008 #1 What is considered good compression on a 98 merc 90hp?
T thefairlaneman Banned Joined Sep 5, 2007 Messages 1,790 Jul 31, 2008 #2 Re: Compression ? 85 to 90 isnt low if all are close to the same. 90 to 125 is normal
