1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 143Get this manual

1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 143

Temperature Switch Test Purpose heat sensitive switch is installed in the cylinder head to monitor engine temperatureThis
temperature switch from the cylinder head2Using continuity light or ohmmeter, make positive connections to the switchone
lead to the switch lead and one lead to the metal portion of the switch 3Place the switch and an accurate industrial thermometer
in warm automotive crankcase oil 4Slowly increase the oil temperature using an external heat source To avoid possible fire
or explosion: Use suitable container for the oil Use oil that has flashpoint above 300 (150 C), such as OMC Cobra 4-Cyce
Motor Oil Do not use open flame as heat source824063 5The switch must react to the changing temperature as follows: Wire