1995 Johnson/Evinrude Outboards 125-300 90 degree LV Service Manual, Page 198Get this manual

1995 Johnson/Evinrude Outboards 125-300 90 degree LV Service Manual, Page 198

Temperature Switch Test Purpose One heat sensitive switch is installed in each cylinder head to monitor engine temperatureBoth
the 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 switchf613 Place the switch and an accurate industrial thermometer
in warm automotive crankcase oil4Slowly increase the oil temperature using an external heat source it To avoid possible fire
or explosion: Use suitable container for the oil Use an oil that has flashpoint above 3000 (1500 C), such as OMC Cobra 4-Cycle
Motor Oil Do not use open flame as heat source5The switch must react to the changing temperature as follows: Wire Color Tan