14 lbs and 40cc would work good for me. If it would come out like that. You see a lot of people putting 40 to 50 cc into 14 to 16 lb planes all the time. A lot are over kill. I have a few 40cc engines looking for a home. Poulan 42, Poulan 46, FPE 40, Echo44. Any would work ok if they fit. 80" of wing gives a bit of wind resistence. But it would stilll be plenty fast for me. Still I would like to know what is an easy 60cc conversion? In the future I may want to ........................................