Recent content by bmcclean

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    Mercruiser 4.3 Blown Head Gasket

    Hi All Just checking in with the experts to see I have found the problem or should check somethign else. So a 1992 Bayliner 2052 with Mercruiser 4.3 V6. Alpha leg. Sea water cooled. Was running like a dream for 40 mins then after about 10mins at WOT a small knocking noise started, and got...
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    Mercruiser 4.3 running badly need help diagnosing problem

    Hi All I have a 1992 Mercruiser 4.3 V6 Thunderbolt IV ignition 2BBL Mercarb. Location: South Pacific Boat: Bayliner 2052 Cuddy Ok so before I start pulling the engine apart I thought I see what the experts have to say. After the winter I put the boat back in the water it hadn't been run for 6...
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