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  1. J

    where to order mercuiser 140 engine parts?

    I need a .030 piston and gasket set for my 85 mercruiser 140. where is a good place to order parts, hoping to get them shipped to ohio by this weekend so midwest or east coast location would be great! thanks
  2. J

    rattle in mercruiser 140??

    I just bought another project boat that has a 1985 140 merc 4cyl. this engine was rebuilt 2 years ago and the boat has only 10-15hrs on the new engine. it has what I will call a Rattle in it. all I can tell is it is not from the topend! pulling the plug wires does nothing to change the noise and...
  3. J

    89 Merc 3.0 140hp swap to older 74 140, completed!

    well thanks to this board I went ahead and bought a used/rebuilt 1974 3.0 140 mercruiser to put in my 89 Wellcraft which had I believe a cracked block. the 74 engine had been rebuilt a year ago and looked in good shape but the hull was damaged so I got the engine cheap, the swap was Very simple...
  4. J

    diagnose water in oil and cyl in a 3.0 140

    I picked up a cheap project boat and got it home this AM, a 89 wellcraft with a mercruiser 140 3.0. I bought it knowing their is water in the oil, the oil is milky but not slimmy. I also pulled the plugs adn cyl #2 from the front has water in it. I also pulled the manifold and it was full of...
  5. J

    89 Wellcraft Mercruiser 3.0 Water in oil?

    I just bought a 89 Wellcraft with a 3.0 Merc. the boat is in mint condition except the owner says it gets water in the Oil, I acctually will be picking the boat up this weekend so I have not looked into the engine yet (the price was right) he was told the block is cracked. but he is by no means...
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