I'll tell you what I can. 2015 boat, original 115 HP Yamaha. Low hours (200?). Don't know prop specs, it was original. I almost always fish alone on a medium sized river. WOT high 30's - maybe 37-38 MPH. Cruise can be anything you want it to be. At WOT I burn ~10 GPH, at 5 GPH I run ~30 MPH.