Q2: is a c.1973 17-footer a good boat for an adult and two or three 8-year-old and 10-year-old kids?
I may buy a 17-foot Boston Whaler as seen below in Figures 1 and 2. I am not sure of the actual model. This boat has an Evinrude E-TEC 90-HP engine. I am aware of the concerns regarding Evinrude engines
I would want to beautify the interior with a mahogany bench seat towards the stern and add cushions

Figure 1

Figure 2