1994 Johnson Evinrude "ER" 90 LV 120 thru 140, 185 thru 225, 250, 300 Service Manual P/N 500612, Page 195Get this manual

1994 Johnson Evinrude "ER" 90 LV 120 thru 140, 185 thru 225, 250, 300 Service Manual P/N 500612, Page 195

Engine Temperature Check The Markal Thermomelt Stik is heat-sensitive marker that melts on contact with surface of specific
100 (21 30 e)Pyrometer Procedure i lers to avoid accidental starting of engine Twist and remove spark plug leads before changing
propel- 1Install correct test propeller and place engine in test tank 2Start engine and run at 3000 RPM for at least five
minutesf3l 3Reduce engine speed and run engine at 900 RPM for five minutesAt 900 RPM digital pyrometer should indicate 1250
-150 (70 -85 e) when held on both thermostat pockets If engine temperature is not within this range, troubleshoot cooling
system to determine problem f3l 4Increase engine speed to 5000 RPMAt 5000 RPM the digital pyrometer must not indicate more
than: If engine temperature exceeds 1200 (50 troubleshoot cooling system to determine problemtroubleshoot cooling system