mcgyver525
New member
just switched a 1989 yamaha 150 to a 2004 yamaha 150 2 stroke carb on my 180 outrage had to purchase the new tac to match up to the new engine took it out to try temp light flashing when key is turned on boat comes up on plain then reves up to4000 for about a minute then starts to shut down about 200 rpm in stages going into limp mode. The engine is not hot and tell tail has strong steam checked alarm buzzer not working unplugged no difference crossed temp sensor wires gage still just flashing ?

