I live and work in Panama and have recently completed the restoration of 17 foot Boston Whaler Montauk. During this past month I have spent numerous hours researching Tohatsu engines for reliability and reputation. I have not found much negaive feedback connected with these Engines. Is there anyone that has experience with the M90 Two stroke or the 90TLDI modle engines? What is the difference between these two engines fuel ecomomy? And what pros and cons should influence which engine I purchase? I would appreciate feedback. Scott