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  1. J

    MCM 165 Seawater intake problem

    Over the winter, I had the boat serviced and the Water Pump was replaced. First few outings on the lake were fine. Last weekend I broke down on the water after stalling at idle and then over heating. I took apart the lower unit, replaced the Impellor that had broken fins. Everything seemed fine...
  2. J

    MCM 165 Water Leak

    I need help again. I have water pouring out of the engine...what appears to be the water pump. Could somebody confirm and hopefully give a fix
  3. J

    1987 Mercruiser 165 ATF Fluid?

    I bought this boat but don't know a lot about it. I noticed a fluid reservoir in the back compartment that says Automatic Trans Fluid only. Can anybody tell me what it is? How to fill it? and what it controls please? Thank you,
  4. J

    1987 Mercruiser 165 4 cylinder No Spark

    I recently bought a 1987 that I'm told ran last time it was out, but it was 7 years ago. Boat turns over just fine, but no spark. I've followed the guide for troubleshooting points in the adults only section. I have 12 volts on positive side of Coil, Coil was replaced from a GT63 to an E30...
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