1996 Mercruiser 4.3LX Gen+. Got my boat in the water today (finally). Pulled away from the marina and everything worked great! Ran it up to 4500 RPM with no noises, no surging, purring like a kitten. Shut it down to take a swim. Started it up again and it started knocking. Sounded like...
1996 4.3LX Gen+. New charged battery, new spark plugs/wires, distributor cap, rotor. Ignition coil two years old. I had the three position switch checked at local marine shop. Checked good. I turn ignition switch to "run" and get a tone. I turn ignition switch to "start" and engine starts...
