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  1. M

    100 Horse Johnson, No Start

    I have a 1971 100 Horse 2-stroke Johnson, just bought it, it's has no spark coming out of one bank, right side fires well, the left side is dead. I have an excellent spark coming out of the coil and going into the stator, but only one side coming out, engine has a new spark amplifier as well...
  2. M

    1981 merc 140 starter drag

    My brothers boat left us drifting down the river the other day, engine cranks too slow to start. We load tested battery which is good, connections are good, dynamic voltage drop tests were good. My question is since this is a GM 2.5 liter engine, can I just get a automotive starter for an 81...
  3. M

    100 Horse Johnson, No Start

    I have a 1971 100 Horse 2-stroke Johnson, just bought it, it's has no spark coming out of one bank, right side fires well, the left side is dead. I have an excellent spark coming out of the coil and going into the stator, but only one side coming out, engine has a new spark amplifier as well...
  4. M

    71 100HP Johnson

    I am a new boat owner getting ready to put it in the water for the first time. the motor is a 100ESL71A, ser.# is J3509808. I have a few questions, is this motor a 2 stroke or a 4 stroke, if its two, what is the proper mix ratio? I've heard this motor also stalls when it gets hot and will not...
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