Yanmar 2gm20f RPM
New to me...
Yanmar 2gm20f, C&C30MKII, two blade prop;
What should my cruising and max RPM be?
It seems to like 2800, but I can't get it much over 3100. I seem to get close to hull speed when I max it out but I have not had much of a chance to test in no wind or current.