i have a stratos 294 pro xl and a 200 H.O. E-tec model: E200dhlsdf serial: 05151544 . i have a brand new prop and run premium gas and xd 100 oil i can only get less than 3 mpg it seems reguardless of how many rpms i turn i cant figure out is how this motor on other boats can get close to 5 mpg at 3-4 thousand rpms and get better than 3 at 5600. can anyone help me this is killing my range. please