1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Repair Manual P/N 520205, Page 40Get this manual
Quality of the image is intentionally reduced!
4 Stop the engineadjust, loosen the idle stop screw ocknutRotate the idle stop screw to achieve 40 idle timing, then tighten locknut& Rotating the idle stop screw clockwise advances idle timing Rotati