1998 Johnson Evinrude "EC" 125C, 130, 200, 225, 250 90 deg LV Service Manual, P/N 520212, Page 50Get this manual
Idle Speed INotel The air silencer must be installed accurately adjust the engine's idle speed1The boat and engine must be in the water under normal operating conditions with the correct propeller installedThe boat's movement must be unrestrainedThe boat must not be ied to dock or trailer2Start the engine and allow it to reach normal operating temperatureThe engine temperature must be above 96 (36 C) before proceeding3Check idle RPM in FORWARD gear with an accurate tachometer []] &
4Stop the engineLoosen locknut and adjust the idle speed screw Refer to chart for idle speed Turn screw clockwise to decrease idle speed Turn screw counterclockwise to increase idle speedIdle Speed