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    Omc cobra overstroke and interuptor switch

    I have a 1990 omc cobra 5.7 that has both overstroke and interruptor switch. I don't Have any adjustment questions I just need to know how to wire the switches to the ESA if the wires were cut on the switches. I know they have to be wirerd in series but does it matter which wire the ESA goes to...
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    78 Mercury 115 racing out of control at idle

    I am experiencing some problems with my 78 mercury 115. For some reason it is running at wot when it should be idleing. I check the carb butterflies and they are closed and timing retarted all the way i believe. I disconnected the linkage so i could retard the timinig as much as possible, but...
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    77 mercury 115 prop selection 16" 750lbs

    I have 77 merc 115hp engine on a 1986 16 foot glastron bow rider. The boat weighs about 1100lbs with the motor on it and usaully carries about 500lbs of weight total wieght of 1600lbs. It maxs out at 33mph at 5500 rpm and picks up really fast, the bow never lifts up it always stays down. The...
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    mercury 1150 idle

    I am trying to get the idle down on my 77 mer 115 but the throttle cable does not allow you to retard the timing enough to do so. With the throttle cable barrel adjusted all the way back the distributor will only retard enough to allow the engine to run at about 2000 rpm. How do i advance the...
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    77 mercury 115 timing idle adjustment

    I am trying to get the idle down on my 77 mer 115 but the throttle cable does not allow you to retard the timing enough to do so. With the throttle cable barrel adjusted all the way back the distributor will only retard enough to allow the engine to run at about 2000 rpm. How do i advance the...
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    mercury 115 cold start

    Ok, i brought my 77 merc 115 to the lacal merc mechanic to check the timing i set and a few other things. It started pretty easy when it was cold before i brought to him. Now it will not turn over when it is cold unless i give it a lil shot of starting fluid. If you let it sit for more then a...
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    77 mercury 115 timing no decal

    HI, i have a 77 mercury 115 with distributor that i am trying to time and syncronize. The problem is there is no timing decal on the flywheel. Does anyone know a way to time it correctly without having that decal.
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    77 merc 115 no spark

    I have 77 cd battery ignition merc 115 hp which has no spark. I have gone through all the troubleshooting steps to determinewhats wrong, but i am still not sure what is wrong. I can not determine wether it is the sitchbox or trigger. First of all the spark is very intermittent it sparks maybee...
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