Re: 90 HP 4 cycle performance
Just for some more information for you to base your decision....
I have a 79 18 with a 1994 Mercury 115 HP inline 4 cylinder. I cruise at 22-23 knots and WFO 5100 rpm the boat tops out at 28.5 knots. This is by myself with 3/4 full tank and no tabs.
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