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  1. R

    1987 mercury 40 hp 402, 2 cylinder, water line plugged inside block

    Help, finally found out water line connected to tell tale coming from the block is plugged. Removed line and Block is plugged at this part, i have C L R soaking in the motor. I put it in at the thermostat housing after plugging the water tube. Hoping this will loosen it. Been soaking now for 12...
  2. R

    1987 mercury 40 hp 402, 2 cylinder, water not making it to the tattle tale, plugged

    I changed impeller as earlier owner over heated the motor. Motor was leaking water near top spark plug hole. I put new gasket and its not leaking there. Fires up with lots of compression. I checked water jacket plug and water there. Water is not making it through to the tattle tale. I blew into...
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