1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 137Get this manual

1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 137

Engine Temperature Check The Markal Thermomelt Stik is heat-sensitive marker that melts on contact with surface of specific
3)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 tank2Start engine and run at 3000 RPM for at least five minutesf21
3Reduce engine speed and run engine at 900 RPM for five minutesAt 900 RPM digital pyrometer should indicate 140 15 (60 e)
when held on both cylinder heads If engine temperature is not within this range, troubleshoot cooling system to determine
problemf21 4Increase engine speed to 5000 RPMAt 5000 RPM the digital pyrometer must not indicate more than 160 (71 e) If
engine temperature exceeds 160 (71 e), troubleshoot cooling system to determine problemIf you get low or inaccurate readings
during these tests, coat the probe location with liberal amount of Wakefield Heat Sink Compound, OMC PIN 322170 Safety Related