I have a 1998 grady sailfish twin 225 ox66 yamaha's at 4000 rpm one engine is burning 9 gph while the other is burning 11 is this normal and if not any ideas what to check . boat runs fine no miss just wondering
My '98 Sailfish with same motors burns a lot more than that. I'm at 21-22 gph at 3600. Bottom paint but clean bottom. What's your speed I run about 32-33 mph at 3600 depending on load, wind & current.