upgrade mercury tohatsu 4 stroke from 25hp to 30hp or rather why can't you so easily. Mercury 25 Hp 4 Stroke Weight
Honest opinions on a 25hp. : r/boating SPECS ; 138 lbs · Mercury Marine · Japan · 25 HP · 15″ (Short). Outboard maintenance and parts: Two strokes still make sense on smaller HP applications as well when weight is more of an issue. Have a small dinghy you want to drag up on the ...