I am considering a 2.5 HP Island Hopper Outboard for my dingy. I have a hard dingy and it is rated to that size outboard. Does anyone have any experiences, good or bad, with air-cooled outboards?Does anyone have any experiences, good or bad, with Island Hopper Outboards?Any Advice???I am trying to stay with a 2-cycle to save weight and want to stay in the price range of around $500...new or used