I have a 4.3 LX thunderbolt IV carburated engine. The first time i took boat out it ran ok. The second time after I had tightened belt for alternator I guess to tight the alternator seized up and smelled rubber burning turned off engine was something broke loose in alternator so belts started...
I recently took my boat out after the winter and it worked great the first trip out even though it seemed as if the alternator was not working properly. I was reading 12 Volts or so when going slow speed and it would drop below 12 V when going faster 3000 rpm or so. I was going on a longer...