1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 129Get this manual

1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 129

Temperature Switch Test Purpose One heat sensitive switch is installed in each cylinder head to monitor engine temperatureBoth
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 oil4Slowly increase the oil temperature using an external heat source& To avoid possible fire or
explosion: Use suitable container for the oil Use an oil that has flashpoint above 300 (150 C), such as OMC Cobra TM 4-Cyce
Motor Oil Do not use open flame as heat source 5The switch must react to the changing temperature as follows: Wire Color