Just bought a fully restored, approx. 40 year old, 14" fiberglass runabout, (have atatched a pic of an identical boat), as my camera isn't working. It has a professionally rebuilt 15" transom, the original decal on the boat says maximum 60 hp, but doesn't list a maximum engine weight, I am thinking of raising the transom to use a 20" shaft by way of an professionally made aluminum plate, (like a jack plate) and being that motors of early 1970's were lighter than todays motors, the max rating of 60hp would have been for a 2 stroke, would I be able to use a mid to late 1990's 50hp 4 stroke, that might way in the 200-245 lb range. I want to go with 20" as there is a far better selection to choose from. Thanks


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