1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 103Get this manual
Function TestsS.L.OWThis ignition system incorporates the S.L.OWwarning system, which gradually limits engine speed to approximately 2000 RPM when one of the following conditions occur: Engine temperature exceeds 2400 (1160 C), on remote control models Crankcase oil pressure drops to dangerously low levelThe S.LOWwarning system depends on input from: The temperature switch for an engine overheat The oil pressure sender for low crankcase oil pressureTo resume normal operation after the S.L.oWwarning system has activated, the engine must be operated below 1500 RPM and: Engine temperature must cool to 20r (9r C), for an engine overheat Oil pressure must be restoredTemperature Switch9.915 Remote Control Models 1Disconnect temperature switch lead2Install correct test propellerStart engine in test tank and run at 3500 RPM [I]