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View Full Version : merc 200 efi water pressure readings?




1fife
06-02-2003, 07:50 PM
well finally changed the water impeller.

results
WOT-about13.5-15
might have seen 16 psi in 15 milesof running today

4000 rpms about 11 psi

3500 10 psi

idle about 2-3 psi


these numbers seem slightly low

are they typical?




WALLEYE MIKE
06-02-2003, 09:00 PM
My 125 runs between 10-20psi. Usually about 15 or so.