1979 115 evinrude ran good all spring and today ran fine till i went to put it on the trailer and it died and would'nt start. look at the engine and noticed a wire had came off the ( thing the spark plug wire comes out of) Put it back together and it starts fine but when you go to take off it won't go higher than 2500 rpm. please help Thanks Bryan Just found out that 2 and 4 cylinder are not firing