Johnson Evinrude Carburetor Adjustment by Joe Reeves
Sep · The RED retainers make it impossible for the needle valves to vibrate out of adjustment (Carburetor Adjustment Slow Speed Adjustable Needle Valves each carburetor) Initial setting is All () Slow speed valves = seat gently then open - turns Facing the carburetors start with the top left needle valve then the top right valve