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  1. J

    79 115 HP Blueband Mercury - Dry Spark Plug

    Hi All,<br /><br />Although the motor seems to run fine with the earmuffs on, the 3rd spark plug (from the top)is very dry i.e. no fuel on it. The 4th flug (on the same carbie I think) has plenty of fuel on it. So far I have:<br />1. changed the 3rd spark plug<br />2. put a ohm meter on the coil...
  2. J

    Flywheel Stuck

    Hi,<br /><br />Went to start my 115HP 1979 Blueband today and the flywheel is stuck hard. Only started it around 3 weeks ago on the ears muffs - all ok.<br /><br />Anyhow, pulled all of the spark plugs out and still can't turn the flywheel by hand.<br /><br />Any thoughts/ideas appreciated....
  3. J

    Still having problems - 115HP Mercury Blueband

    Hi,<br /><br />The intermittent problem with my 115HP 1979 Mercury Blueband continues. Thanks to everyone who has provided advice to date.<br /><br />Symptoms<br />Intermittent misfiring and won't idle. Sometimes the motor works fine though.<br /><br />To date, I have completely drained the fuel...
  4. J

    79 Mercury Running Rough

    Hi,<br /><br />I have a 1979 115Hp Blueband Mercury running very rough. It won't idle and I can only start it with the throttle a fair way down. I have to keep the revs up high to stop it from cutting out.<br /><br />It all seem to start when I changed from the first tank to the second tank...
  5. J

    Mercury 500 50 HP Power Problem

    Hi,<br /><br />I have a Mercury 500 50 HP 1976-1979 model with the symptons as follows:<br /><br />Starts OK, runs OK for anywhere from 5mins to 20 mins then the motor cuts out while running fast (ie. 1/2 to full throttle). I can then start the motor and it idles OK but cannot apply any...
  6. J

    Changed Needle & Seat

    Hi,<br /><br />I had a sticking needle and seat in one of the carbies in my 115HP V6 Blueband Mercury. <br /><br />After replacing the needle and seat, the carbie seems to be working fine except the motor works ok at high revs but does idle properly. Do you think I need to adjust the idle screw...
  7. J

    Water Impeller Replacement

    Hi,<br /><br />I am unsure of the factors that determine when a water impeller needs replacing. Besides having a steady stream of water coming from the motor as an obvious sign, does the water impeller still need replacing after a number of years or after an amount of usage?<br /><br />The motor...
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