I am not sure I understand the screenshot above...we have a 2006 Mainship 400 with a single Yanmar 6LY2AN-STP 440 HP and we run about 2500 RPM, 8 to 9 knots, it shows 9+ GPH at 2500 RPM?....am I reading that right?
I thought it was more like 3 to 3.5 GPH.....
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