I have a tiller Skull Island with a Yamaha 25hp two stroke on the back. I think it is a great motor for the hull. Your 30 will be slightly quicker with more hole shot i would assume but the weight would be the same, it would be much quieter, and more efficient. If and when i need to re-power my skiff, it will probably be with the new Yamaha 25Looking at replacing my current 1993 2 stroke Yamaha 30 esrt with a new Yamaha 25hp four Stroke. Have a Skull Island Skiff CC. Thoughts?