Re: Monterey 250CR fuel consumption
Lets see, your boat clocks in at 6,100Lbs and holds 90 gallons of fuel. Your boat is very ssimmeler to mine. My boat is 25 feet clocks in at 6,480lbs and holds 80 gallons of fuel. I have the fuel injected 5.0MPI making 260HP you have a 5.7 I don't know what that is putting out. Id your motor carbed or fuel injected?
Any rate your best rang will be running at less than 2000RPM.
2000-3000RMP will provide your worst range (boat pushing through water not on plain too much resistance)
300-4000 RPM should be your best cruise (combination of speed and range)
I have attached the boattest.com report link to this post. May help you get an idea considering our boats are so simmilar. For note the boattest.com report used a 5.7MPI.
Bayliner?255 SB (2011-) Test Result | BoatTEST.com