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  1. J

    Ignition module screws

    does anyone know what screw size and thread is used to fasten the ignition module on a 2001 3.0 mercruiser? The exact screw has been discontinued and i couldn’t find specs to find a comparable one. I dropped one into the hull of the boat and searched for a long time with no luck. Thanks!
  2. J

    New prop

    hi, I’m in the market for a new prop could someone just tell me what the dimensions are I know it’s easy but I’m new to it so I don’t wanna screw it up. 0A1916x 19p. Also, aluminum or stainless better?
  3. J

    Head Gasket / Milky Oil

    hi, boat is running fine but there is an air leak I can’t pinpoint it. When it runs it is loud. I did a compression test and have 150 in all 4 cylinders (2001 mercruiser 3.0). If I have full compression it isn’t a head gasket (based on what I know, but I don’t know that much), so I was...
  4. J

    Solenoid?

    new day new problem.. yesterday I replaced the 90 amp fuse on the starter, problem solved. Today I turn the key and the shut off switch to the on positions, the gauges all turn on but the engine doesn’t crank. I can jump the boat from the solenoid and it starts right up, but next time I go to...
  5. J

    Ignition switch, kill switch, or something else

    hi, when i flip the kill switch none of the gauges turn on, and when I have the kill switch and key in the on position they still don’t turn on. The boat has zero electric. No bilge pump, no lights, radio, won’t crank, nothing. I was out on the boat and docked it, then tried starting it 10...
  6. J

    No spark, help!

    Hi, heres my problem that i can’t seem to solve. Had boat out 5 days ago and docked it running. Came back after 3 days to go back on it and it wouldn’t start. I replaced the ignition coil and the ignition module hoping it would fix it. There is power coming out of the coil and power going into...
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