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  1. M

    Messed up low idle adjustment

    Kohler Courage SV610-0212. New Spark Plug set to recommended gap, Fresh Oil, Oil Filter, New Air Filters, Running rough. I adjusted the low idel screw and got it running smoother, but wanted to set the low idle speed to 1500 rpm. got a no-contact digital tachometer, and it registered high. I...
  2. M

    Low Idle Adjustment on Kohler Courage SV-610

    I have a Husky with a 21 HP Kohler Courage SV-610 engine. I have changed oil, oil filter, air filters, fuel filter, and sparkplugs, replaced two carburetor gaskets and the heat deflector gasket, put in fresh fuel, and the engine was running rough. I adjusted the Low Idle screw a bit, and it made...

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