Tiller is 50hp, Console is 75hp according to my 87' which uses the same hull as yours.
87' Kennedy 20' Pontoon....... well some of it is.......
3rd Pontoon + integrated transom + strakes just on the 3rd
98' Johnzuki 70hp 4 stroke (looking for a Johnson/Suzuki 115)
29mph @ 5900rpm swinging a 14x13 Turbo Pontoon1 stainless
Freshly overhauled by beefing up and adding more tube to cross member supports, deck extended from 16' to 19.5', Playpen extended from 13' to 16.5', And a new 3/4" deck/carpet/furniture!