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    Advice needed using ignition spark tester

    I've got a spark tester and would like to check the spark on my new to me '93 25 hp. In reading a few other posts it sounds like a spark that jumps a 7/16" gap is healthy. My question is how do I conduct teh spark test? Do I test one plug at a time while the motor is running on the other plug...
  2. S

    1993 25 HP excessive smoke

    I just bought a Princecraft Pro Series 142 with a 1993 25 hp Johnson (VJ25ELETC). I had it out on the water for the first time and it seems to smoke excessively. I thought maybe the previous owner had too rich of an oil to fuel mix and made up a fresh tank of 50:1 mixed gas but with no change...
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