For performance boaters, there are really only 4 consumer level outboards available under 450 Lbs. Not long ago, every engine in the 150 to 225 range was less than 450 Lbs, closer to 400 Lbs actually.
All tagged two stroke
Are Four Stroke Outboards Pulling Their Weight? Part 1
As performance minded boaters, we have seen the slow demise of the small displacement, lightweight and powerful two stroke outboards.