Hi, i have a 1972 duranautic 14, side console. It has a 1974 Evinrude 25 electric start. This is new to me. The boat is in great shapeand I hoped to put a 20 hp yamaha on it, as it turns out the transom is 25”( ?), i can now see the evinrude has a 5 “ extension kit on the shaft. So, can I cut...