what should my 200hp merc be showing in psi on a compression test?
B buddy8097 Recruit Joined Oct 8, 2003 Messages 2 Oct 9, 2003 #1 what should my 200hp merc be showing in psi on a compression test?
T The Marine Doctor Commander Joined Jul 25, 2003 Messages 2,177 Oct 9, 2003 #2 Re: compression test 200merc Those engines usually are seen around 100 psi.<br /><br />TMD
D Dixieland Cadet Joined Oct 5, 2003 Messages 11 Oct 16, 2003 #3 Re: compression test 200merc The factory repair manual for a 200 EFI calls for 110-135.
K Kenny Bush Chief Petty Officer Joined Mar 24, 2002 Messages 564 Oct 17, 2003 #4 Re: compression test 200merc My 200 carb'd motors run about 120lbs (1992 with about 250 hrs) on all cylinders. Just about as much as when it was new.
Re: compression test 200merc My 200 carb'd motors run about 120lbs (1992 with about 250 hrs) on all cylinders. Just about as much as when it was new.
