Travis Hoover
New member
ok i have a 1979 75 johnson stinger when i have it in my driveway with the muffs on it it runs great idles and throttles up and runs full speed. now heres the problem took it to the lake today and it will run great in warm up mode and still idles but when put in gear it only throttles about 1/3 of the way then falls on its face and dies anyone know whats going on ?