I have a 1999 EFI Merc 150 Hp. I have achance to swap out motors to a 200hp 1993 Mariner. I have been looking to get some more horse power. My question is would y'all do it? Is it worth swapping the out? The compression is good on the older motor. Mine motor runs great.
See your post on the 2.5L Forum (correct forum for question).
Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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