What should the compression be on a 2006 mer bigfoot 50hp efi motor??????? thanks
B boatman192 Cadet Joined Aug 18, 2006 Messages 21 Apr 6, 2012 #1 What should the compression be on a 2006 mer bigfoot 50hp efi motor??????? thanks
JB Honorary Moderator Emeritus Joined Mar 25, 2001 Messages 45,907 Apr 6, 2012 #2 Re: compression Two or four stroke? Two stroke, anywhere from 80 to 140psi with all cylinders in a 10% window. Four stroke, 150 to 200 psi, within 10%. You must do it right, with a good gauge, to get those numbers.
Re: compression Two or four stroke? Two stroke, anywhere from 80 to 140psi with all cylinders in a 10% window. Four stroke, 150 to 200 psi, within 10%. You must do it right, with a good gauge, to get those numbers.
B boatman192 Cadet Joined Aug 18, 2006 Messages 21 Apr 6, 2012 #3 Re: compression its a 4 stroke------------thanks
