THERMOSTAT   for YAMAHA OUTBOARD F40- all years-F40A, F40B, F40C, F40G, F40H  F50- all years-F50A, F50D, F50F, F50H FT50- all years-FT50B, FT50C, FT50G, FT50J 40, 50 HP 4 stroke 60°C 140°F...