Towed a doughnut with various size people in the nut.... is a 25HP 2 stroke mariner and small under 50kg persons its ok gets on the plain and can fling them around (O'brien le tube) When i am in the tube (lack of volunteers for me when i am driving
) its struggles but i am 100kg ish probably and lack an experienced pilot.
When towing you need a spotter so i found having some weight in the bow helped get on the plain better (get spotter to sit upfront) I did have a play with the trim but i struggled to make it any better.
It really isn't the tool for towing and i don't think you would get an adult skier or wakeboarder out the water (tow point also very low).
THis is a better tool for the job....
But does have nearly 4 times the horsepower........