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  1. N

    99 Johnson J40Jpleec

  2. N

    99 Johnson J40Jpleec

    After reading about CC compression I have to assume it’s ok as it will start & run on 2 cylinders, will stall if just let it idle. I originally believed bottom plug wet w fuel but not so sure on that now. After replacing ignition parts, I put in and backed of trailer, knew immediately, down a...
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    99 Johnson J40Jpleec

    3 carbs, I would assume you think bottom? Not sure what you mean crank case compression?
  4. N

    99 Johnson J40Jpleec

    And all 3 plugs arc across the 3/8” gap to ground
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    99 Johnson J40Jpleec

    5007420-VRO
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    99 Johnson J40Jpleec

    Not sure how not sure how to check cyl sleeve, but when I removed bottom plug, drenched w raw fuel. Will start, idle very rough, stalls. I removed wire from bottom cyl., no difference at all, replaced wire, no difference
  7. N

    99 Johnson J40Jpleec

    All 3 between 135-140 psi
  8. N

    99 Johnson J40Jpleec

    Lost spark on bottom cylinder, changed plugs, replaced all 3 coils, replaced power pack, still a miss on bottom cylinder and barely enough power to put on trailer. Any suggestions?
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