what should compression on a 2002 merc 25hp be ? cheers
R ryan_the_sparky Cadet Joined May 9, 2010 Messages 17 May 16, 2010 #1 what should compression on a 2002 merc 25hp be ? cheers
JB Honorary Moderator Emeritus Joined Mar 25, 2001 Messages 45,907 May 17, 2010 #2 Re: what should 2002 merc 25hp compression be ? Cylinders equal +/- 10-15%. Too many variables to set a psi spec.
Re: what should 2002 merc 25hp compression be ? Cylinders equal +/- 10-15%. Too many variables to set a psi spec.