1998 Johnson Evinrude EC 50 thru 70 HP 3-Cylinder Service Manual, Page 123Get this manual
S.LOWarning System
This ignition system incorporates the 5.L.0WTM warning system, which gradually limits engine speed to approximately 2500 RPM when engine temperature exceeds 240 (116 C)To resume normal operation after the 5.L.0Wsystem has activated, allow the engine to cool to 20]0 (9]0 C) and turn it offThe 5.L.0Wsystem depends on input from the temperature switch tanblue leadFunctional Test