Need some help on setting the float levels on my 1984 Evinrude 50 hp. Per my Seloc manual I have the Type IV carbs (carb numbers top, 394808; bottom, 394809; numbers taken from the carbs). Manual has a float setting range of 1 1/8 to 1 5/8 inches. I have been running them at 1 1/4 inches using...