I have a 1988 25 hp evinrude that idles just fine but will speed up. I have changed out the fuel pump, also tried new tank and hose from another boat
but still no help. While working on it I discovered that if I hold my hand over the throat of the carurator it would run ok. any suggestions
but still no help. While working on it I discovered that if I hold my hand over the throat of the carurator it would run ok. any suggestions