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  1. F

    Spark tester

    To set the timing on a motor when it is not running, do you have to have a spark tester on each plug wire, or only on the plug wire the timing light is on. Can you use one spark tester and leave the rest of the wires attached to the plugs?
  2. F

    Water in cylinder

    I recently rebuilt my 1993 40 hp Evinrude. For the first couple hours of break-in I kept the rpm's at 1500 and below, then I tried to take it up to 3500 rpm's but at WOT I only got 2500 rpm's. I started checking the motor out to find the problem and the spark plug in the top cylinder was...
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