Got both motors checked by mechanic when I bought the boat and both motors passed. Ran it out once and the starboard motor wouldn't start. Limped home, changed filter, plugs and wires and it fired right up. Took it out again and now it won't run for more than a minute. Took it back to the...
I've got a 25% PSI drop in one cylinder. Only had time to dry test. Will do a wet test to be sure, but I'm leaning towards valve train. I'm losing about a qt of 10w40 Royal Purple every 25-30 hours, which is a week's worth of fishing. Oil pressure is constant at idle and 3000 rpm. The guage...