? 1989 Evinrude 140hp looper $1800.00???

[MoonGlow II]

I am looking at a one owner 1989 Evinrude 140ho looper Just serviced and VERY clean it is a salt water used motor but no corrosion the ovner was very good about rinsing and maintanience...is it a good deal??? what do you guys think And I recall reading a post here that one of the members had done some work on there E 140 and made it faster can you tell me what was changed
Thanks