28 Dec 2019 #1 T Thomas Lewis New Member Joined 1 Sep 2019 Messages 5 Visit site Hello does anyone know the average displacement cruising speed of a merry Fisher 855 with twin Yamaha 150s. And also the cruising speed where at which it is most economical.
Hello does anyone know the average displacement cruising speed of a merry Fisher 855 with twin Yamaha 150s. And also the cruising speed where at which it is most economical.
28 Dec 2019 #2 stuartwineberg Well-Known Member Joined 24 Oct 2007 Messages 1,814 Location Romsey, Hants Visit site Wrong forum. Suggest you repost to motor boat one. You will get a definitive answer from an owner