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newblade
02-19-2008, 03:08 PM
Does anyone know if the Mercury EFI has any common problems? The 1997 Mercury 150, does it get any better fuel economy than the the original? I know not as good as the optimax though.

CatFan
02-19-2008, 03:54 PM
Not much on fuel economy, but pretty dang durable engines.

Scott S
02-19-2008, 07:48 PM
I have a 1995 model EFI purchased new 4/95, besides water impeller's it's never been worked on. Don't run it a lot anymore but still glad to have it and consider it a goodun.
Scott

TOMMY4UA
02-19-2008, 09:35 PM
I Have A 96 Efi 150.it Has Been Very Good To Me.