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  1. R

    Water in lower unit

    "I have a 1994 40HP Merc that "I have a 1994 40HP Merc that came on a boat I bought in April of this year, I got it home changed the lower unit oil and had some water come out with the oil I put new washers on the drain and fill plugs and I am still getting a little water into the lower unit...
  2. R

    1994 40HP Mercury lack of power

    "I have a 1994 40HP 4 cylinder "I have a 1994 40HP 4 cylinder Merc that runs great idles smooth and when run with the muffs on revs great, but when in the water and in gear and under load it seems like I'm not getting full power or RPM's. Any idea what might be causing this? Any information...
  3. R

    What year is my motor 40 Mercury

    "I have a 40 Mercury that came "I have a 40 Mercury that came on a boat I purchased in April of this year, I believe it to be a 1993 model year but not sure the serial number is 0G037296 hope someone can help? Also the water that comes out the pee hole seems to be really hot and sometimes it...
  4. R

    93 Merc 40 4 cylinder water pump replacement

    "I have a 1993 Merc 40 hp 4 cy "I have a 1993 Merc 40 hp 4 cylinder that I would like to replace the water pump and thermostat (if it has one), how difficult is it and do I need a repair manual? Also theres times when the engine is not producing full power, any ideas? Any help would be...
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