1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 141Get this manual

1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 141

Markal Thermomelt Stik Procedure
& Avoid accidental starting of engine while changing propellers; twist and remove all spark plug leads1Install correct test propeller and place engine in test tank2Start engine and run it at 3000 RPM for at least minutes
rn 3.the cylinder headspeed aand runF it(52 900and for minutesReduce engine at RPM with 125 C) 163 (73 C) Mark

Thermomelt Stik
4At 900 RPM, the 1250 (52 C) mark should appear liquid and glossyThe 1630 (73 C) mark should remain dull and chalky If the 1250 (52 C) mark does not appear liquid and glossy, troubleshoot the cooling system for causes of overcooling If the 1630 (730 C) mark becomes liquid and glossy, troubleshoot the cooling system for causes of overheating