2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 175Get this manual
OILING SYSTEM COMPONENTS
Oil Supply Diagram
40150 PL MODELS
System Check LOW and NO OIL Warning Signals
40150 PL MODELS
LOW OIL Warning
A sending unit in the oil tank pick-up monitors the oil level in the oil tankThis sending unit is designed to activate the System Check "LOW OIL" light when the oil level falls below one-quarter capacity
System Check inGauge