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    oil leak

    I have a Mercury 7.5 hp motor. I've replaced the water pump and impeller. I also replaced the prop seal and shift shaft seal. I've done a compression test and found no leaks. I also ran the lower unit in a 5 gallon bucket using an electric drill and no oil leaked. Everytime I put the motor back...
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    Correct Spark Plug for 1974 Merc. 7.5 hp

    Last week I had put up a post about my Merc. 7.5 hp having troubles starting. The motor runs great when I get it going, but have a hell of a time getting the thing started. The only way I can get it started is by tilting the motor out of the water and pulling it about 15 times or to put wd-40 in...
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    1974 Mercury 7.5 hp - Starting Problem

    My 1974 mercury 7.5hp motor only starts if I tilt the motor out of the water. Once I get the motor started, it runs great. I can shut it off and restart on the first pull everytime with the motor in the down position. If I shut it off and wait 10 min. it will not start unless I tilt it out of...
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