Had my boat out on the lake this weekend and had an interesting experience. I was cruising at WOT and noticed a drop in RPM, then back up, this happened twice. Slowed down and pulled in and stopped in a cove, After sitting for a few minutes I couldn't get the engine to turn back over. Ended...
Took the lower off my Gen one Alpha one drive to replace the impeller, and discovered that the plastic coupler on the water tube was melted. Does anyone know the part number for this? It didn't come in my replacement kit, and I couldn't find it in the Merc catalog. Drive serial is 0C684712...
I have a 4.3 v6 that I replaced main bearings in as well as gaskets. I didn't run it last summer because the starter was bad. Got a new starter on and have a no start condition. I am checking the compression and I get no reading from the gauge, like no movement at all. I replaced the head...
Hello,
Engine is a Mercruiser 4.3L V6, model year 1990 I believe. (S/N 0C665406)
Alpha One drive (S/N 0C684712)
Background information - The last time that I had her out the previous summer I was running near WOT. I trimmed the drive up a little too far, and the engine speed went about 3-400...
