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  1. M

    1975 50 hp Evinrude

    Ok so my motor will only run on one cylinder at a time. Top cylinder will run bottom won't. Turn it of pull top pug wire, turn it back on bottom will run. I have changed plugs and timer base. Im getting good fire from the coils. So i have no clue.
  2. M

    Cylinder not running

    Ok so i found out that both cylinders work but only one at a time. Turn it on only one cylinder will run turn it of an back on the orther runs but the one that was running isn't
  3. M

    Cylinder not running

    Think i will buy new coils but it weird how it swaps cylinders. One works cut it off ,turn it back on and it dont. They are swapping back and forth. They wont both work together.i can start it pull top plug and nothing happens.cut it off turn it back on top is running and bottom is not
  4. M

    Cylinder not running

    Ok so spark is jumping a good 3/8. What i did find our is that the cylinders i have fire on upper then it switches. Top cylinder will run but bottom won't then bottom will run and top won't
  5. M

    Cylinder not running

    Ok im going to check fire again.im going to change to a better plug ill get back to you on that.i just want to be positive on that. As for the gas to the carburetor i was choking it with my hand.i had both carburetors jet cleaned. Im going to go now and change plug and check the spark
  6. M

    Cylinder not running

    Check the key its fine. So im think its the coil maybe.
  7. M

    Cylinder not running

    I can put my hand over the carb and gas will be all over my hand. Reeds are good. I think its a timing issue but not sure wat controlls timing. Fire has good arc
  8. M

    Cylinder not running

    I have a 1975 50 hp evinrude top cylinder isn't running. I have gas and fire. Both cylinders have 130 compression. Bottom cylinder runs fine.
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