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  1. S

    1975 Evinrude 135 wont rev past 4600

    Ive got strong blue spark jumping a 3/8 gap on all 4 cylinders. I checked timing and im at 20 degrees.
  2. S

    1975 Evinrude 135 wont rev past 4600

    I was more or less just snapping the throttle.
  3. S

    1975 Evinrude 135 wont rev past 4600

    I just checked my tester and the Gap I had it set at was 1/4*
  4. S

    1975 Evinrude 135 wont rev past 4600

    I'll verify it tonight, the right bank has new coils, the left are old.
  5. S

    1975 Evinrude 135 wont rev past 4600

    After some extensive diagnostics and repair I had found my #1 coil could arc thru a crack in the coil to the head and i found the rubber tip of the bottom carb needle had broken off and was stuck in the seat. Now my misfire is gone. She idles and revs smooth. However, I can still only pull a...
  6. S

    75 hp free spins in forward?

    Hello, I just bought a boat with a what I believe to be 75 horsepower Mercury. Serial number is 6468108. I got it as a non-running motor and with no history. It does try to start which is not my concern I'll deal with that later. My concern now is I was trying to determine if the lower unit was...
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