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#209938
David Stanton
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    You will find an exploded view of the carb at marineengine.com, and below. Just disassemble the parts that unscrew, and the pin that hinges the float. Get a spray can of carb cleaner with a long small tube and spray through all the passages (get that at any auto parts store or places like Walmart or Menards that have an auto dept). If you have compressed air, blow that through the passages when done, but usually spraying the carb cleaner everywhere is enough. I’ve only removed the pressed-in welch plugs(part 38) on about 5% of the carbs I do, and only after having idle problems after thorough cleaning. You don’t need to take every last part apart. Leave the throttle assembly alone except to spray cleaner at the moving pat pivot points – same with choke..

    If I did this right, here is the carb and part #32 is that donut washer I referred to in a previous post:
    Dave

    http://www.marineengine.com/parts/evinrude-johnson-parts-diagrams/JOHNSON/377017-CARBURETOR-GROUP.gif3 HP Johnson/Evinrude Carb