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I have extended the transom on my 57 Sea Coaster to accomodate a new Mercury 50 hp ong shaft. For practical reasons regarding installation the boat guy made the transom almost 22". I am experiencing some steering control problems. 20" is the accepted height and the cavitation plate should ...

I am curious about my 15' 10" Thompson. My dad has told me it is a 1953, but I am curious if the hull ID and serial # coincide with his analysis. The hull ID 81723 and the serial # is 12205. It is listed as a Pishago (sp) constructed Thompson. Could anyone give me some of the possible backgroun...

What kind of boat? Make, model, year? Did it do this with the previous motor? Could you have a hogged bottom? Andreas The boat is a 1953 16' Thompson Sea Coaster. It did not behave this way with the last motor. This 50hp Merc is significantly heavier and more powerful than the Evinrude 40hp Lark. A...

We have recently replaced the 40hp evinrude with a new 50hp Merc 2 stroke with power trim and tilt. Approaching full throttle the boat pulls left and rolls to the right. Adjusting the trim tab on the motor helped a bit but it still rolls. Is this what they call "chine walking"? Is the boat...