I have a 1989 70HP 3cyl Mercury outboard Once and a while I have blow back from the manifolds outlet to fuel pump and a light backfire occurs during idling. The engine runs great from putting to full speed .
I am wondering what this about ?
Our little boat had been trouble free the past few years after the switchbox, stator and trigger were replaced. This fall we were coming home at a slow idle , tried to throttle the engine bogged down and stalled. Fortunitly the motor started and we limped about a 1/4 mile home. Now the engine...
