Compression #'s 77-80 across all 6, this seems low to me. i know they are equal. Decarb i think.
tashasdaddy Honorary Moderator Emeritus Joined Nov 11, 2005 Messages 51,019 Jun 8, 2009 #1 Compression #'s 77-80 across all 6, this seems low to me. i know they are equal. Decarb i think.
R R.Johnson Rear Admiral Joined Sep 24, 2003 Messages 4,446 Jun 8, 2009 #2 Re: 1985 175 hp Johnson Just to see what happens, clean or replace the stem valve at the head of the guage. Not the pressure relief stem.
Re: 1985 175 hp Johnson Just to see what happens, clean or replace the stem valve at the head of the guage. Not the pressure relief stem.
