I would recommend posting as much detail as possible about your setup. Help the people here to help you out more.
Engine Year / Model / Carb or EFI? Outdrive model, gear ratio and something about your prop.
Was this the first time it was fully loaded since you had the boat?
Proud owner of a Maxum 1800SR year 2001.
Engine: Mercruiser 4.3 LH 1996 carb V6 engine.
Outdrive: Alpha1 Gen2 with 1.8gear
Keen interest in anything electronic or gadget related!