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Recent content by 19723.0merccruiser

  1. 1

    New carburetor for 1972, mercury 140 3.0

    Need advice for a new carburetor for my mercury. 140 from 1972. I really should be the one we have is really old and kind of just looking to replace and rebuild this on the side so I have a spare one. It’s. 3.0 I’d that matters.
  2. 1

    Mercruiser 3.0 constant crank?

    Now she just won’t stay running, time to tear down the carb
  3. 1

    Mercruiser 3.0 constant crank?

    I replaced the ignition switch to fix the problem.
  4. 1

    Mercruiser 3.0 constant crank?

    Yes, I got the boat for free. Person I got it from claimed it only needed a starter and new battery. Serial number is 487-3523.
  5. 1

    Mercruiser 3.0 constant crank?

    I have a beach comer with a Merc cruiser 140 3.0 four-cylinder engine. Why when I turn the key to the on position does the motor crank. I’ve been tracing wires and cleaning up connections. Everything seems to be good. The last thing I’m at is the key might be faulty, any help would be greatly...
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