As you say,I don't think you need a 9.8 on a T22... the 8 horse would be plenty. Whether the "charging system" is truly effective would be nice to know.. electric start is hardly necessary for such a small engine otherwise.
btw, in the smaller sizes Tohatsu, Merc, Nissan etc are all built by Tohatsu - one interesting tidbit when we last bought an outboard is that Nissan offered twice the warranty.
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
1984 Fast/Nicholson 345 "FastForward"