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  1. tshaljr

    3rd cylinder will not fire

    I have a 1980 70hp Mariner ob. Runs but has a miss about every 3 seconds. If I pull the plug wire off of the top plug I can hear it arcing and if I move far enough away, about 1 inch, the motor bogs down. Putting it back and the motor comes back. Same thing with the second plug. However, with...
  2. tshaljr

    70 HP Mariner With A Miss

    I have a 1980 70hp Mariner ob. Runs but has a miss about every 3 seconds. If I pull the plug wire off of the top plug I can hear it "clicking" and if I move far enough away the motor bogs down. Putting it back and the motor comes back. Same thing with the second plug. However, with the third...
  3. tshaljr

    1980 70hp mariner problem

    Bad news. Both yellow wires to stator are completely corroded. Have to replace the stator. Question is should I also replace the trigger plate. Motor seemed to run ok early last year until wires went bad. I know its "while you have it torn down this far why not" but I'm sorta running out of...
  4. tshaljr

    1980 70hp mariner ob

    Have a bad miss. Local mechanic said it sounds like a cylinder not firing. While idling, pulled wire from top plug - engine ran very rough. Put back. Pulled wire from middle plug - ran rough. Put back. Pulled wire from bottom plug and almost no difference. Put back. Ran the same. I could hear...
  5. tshaljr

    Removing steering cable

    Have a '83 Thundercraft w/70 hp Mariner ob. I was able to pound the steering arm (stuck) so far but now the cable is hitting the hull on an angle. Is it possible to remove all of the bolts holding the motor and then slide it along the transom to give me more room or do I have to pull the motor...
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