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    Head Gasket Leak?

    My 75 HP Mariner was loseing some power. Started to install new plugs and found the bottom plug looked brand new. Put one of the old dirty plugs in and ran it about an hour. Pulled plug and it was clean as new. Does this indicate a blown head gasket or are there other posibilities?
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    unknown motor

    I bought a 14 ft. sailboat (fun boat) for my grandchildren. Included was a non runing motor. It is very light. ( I was told it was 1&1/2 hp.) It is all black. No markings anywhere, except for a name plate that has on it------- 6544416-----MERCURY OUTBOARDS-----Mercury Marine----Division of...
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    86 Mariner switch box question

    I have a 86 Mariner, 75 HP, 4 cylinder. No fire to 1 & 2 cylinders. Did all the checks. REPLACED SWITCH BOX. Hooked up all wires except the black with yellow stripe (kill circuit, I think). I have .01 volts on this wire (yellow with black stripe) when key switch is in run position. Zero in off...
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    86 Mariner switch box question

    I have a 86 Mariner, 75 HP, 4 cylinder. No fire to 1 & 2 cylinders. Did all the checks. REPLACED SWITCH BOX. Hooked up all wires except the black with yellow stripe (kill circuit, I think). I have .01 volts on this wire (yellow with black stripe) when key switch is in run position. Zero in off...
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    Leaded gas

    I recently bought and am reconditioning a 1974 Evinrude 85HP outboard. Bought the OMC Manual and it seems to emphasize that LEADED gas should be used. That can not be obtained in my area. Should I use a lead subsitute or aditive and what brand or name?
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    Hull Polish

    I have seen several recommendations for Collinite 845 or 925. No boating place, in my area, handles it or has even heard of it. I have not been able to locate it on iboats. What is it and where can I get information about it. Am I spelling it wrong?
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    Warning horn question

    I bought a 115 HP, 96 Evinrude on EBAY. Have all the instruments and controls except the warning horn. My Throtle/shift control is the concealed type, with no warning horn. I have a 96 OMC service manual and no where can I find where, how or what horn to mount. There seem to be at least...
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    96 Evinrude 115, M#E115ELEDR

    Bought the motor on EBAY, with controls. When I got motor there was Shift/speed control, with cables. One large cable, from engine, with 4 different connectors and 2 cables with 3 wires. No key or start switch. No choke or fast idle control. None of the wireing will connect to my boat. I have...
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    Junk

    Third time I have tried to send thread and you will not acept
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    58 Evinrude, Starflite 50HP

    I have a 58 Evinrude Starflite FOUR FIFTY, WITH A SHORT SHAFT. I want to change it to a long shaft and (of course) the extension is no longer available. Can anyone tell me what years and HP engines the extension and/or lower end would fit? Any and all information would be appreciated!!
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    85 Mariner, no fire 0n 1&2

    I have a 85 Mariner, 75 HP. On Lake it started running rough at full throtle so I stoped and checked carbs. On restart I was geting no fire on 1&2 cylinders. Had to limp home. Coils & plugs check OK. What is most likely bad and what would cause 2 cylinders to go bad at the same time?
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