I have a 1990 evinrude xp150. I took the rpm guage out of a different boat with a 1977 200hp Evinrude, and want to put it in this one. It is a teleflex amega and has the settings of 6p, 5p, 4p, 8c, 3p 6c, and 2p 4c. See pic.... which setting is for the 1990 150?