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Recent content by scumfrog_millionaire

  1. S

    97 20 hp Merc idle speed and timing screws

    Cleaned the carb on my 97 20 hp 2-stroke Merc and it will not get even close to running with the idle speed screw set according to instructions in service manual (below). It will run with the screw turned 2-3 additional turns inward. Is this an issue? Also, I circled the idle timing screw. How...
  2. S

    97 20 HP Mercury Idle Issue

    Hey guys, Motor: 97 Mercury 2-stroke 20 HP 2 cylinder 1 carb Ran great last year all the way up until storage. Didn’t winterize like I normally do. It fires up and runs but the idle is rough. If I give it throttle, it is smooth. Almost as if it idles on only 1 cylinder. Brand new power pack...
  3. S

    97 20 HP Mercury 2-stroke NO SPARK 1 CYLINDER

    Motor Specs: Mercury 20HP 1997 Manual start 2-cylinder Serial: #0G543280 Alrighty folks. Motor was running okay with a rough idle a couple weeks ago. Thought nothing of it since it ran smoothly at higher RPM’s. I do some preventative maintenance and replace the plugs, cables, and coils. Go to...
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