What should the compression be on this motor?
B bigjohnson774 Cadet Joined Jun 4, 2003 Messages 20 Jul 9, 2003 #1 What should the compression be on this motor?
K KennyKenCan Commander Joined Aug 26, 2002 Messages 2,501 Jul 9, 2003 #2 Re: 1990 175HP Black Max Compression Between 105# and 120#.<br /><br />If there is adifference of more than 5# between cylinders, something is wrong!
Re: 1990 175HP Black Max Compression Between 105# and 120#.<br /><br />If there is adifference of more than 5# between cylinders, something is wrong!
K Kenny Bush Chief Petty Officer Joined Mar 24, 2002 Messages 564 Jul 9, 2003 #3 Re: 1990 175HP Black Max Compression Should be about 120 lbs on all cylinders with no more that 10% difference in the highest and lowest.
Re: 1990 175HP Black Max Compression Should be about 120 lbs on all cylinders with no more that 10% difference in the highest and lowest.
