I own a 2006 Sea Fox 236 with a single suzuki 140 outboard on it which is extremely under powered. I am debating on weather to add a second 140 counter rotation and run twin 140's or go with a single larger suzuki outboard. Also the motor on the boat has a 25 inch shaft, will that work or will I need a 20 inch shaft outboard when converting to twins. Any thoughts.
