1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 100Get this manual

1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 100

Engine Temperature Check The Markal Thermomelt Stik is heat sensitive marker that melts on contact with surface of specific
temperature must be 70 10 (21 C) Pyrometer Procedure 1Install correct test propeller and place engine in test tank& To avoid
accidental starting of engine while changing propellers, twist and remove all spark plug leadsrn 2Start engine and run at
3000 RPM for at least five minutes3Reduce engine speed to 600 to 700 RPMAt 600 to 700 RPM, digital pyrometer should indicate
140 15 (60 go C) when held on cylinder head If engine temperature is not within this range, troubleshoot cooling system to
determine problem 4Increase engine speed to 5000 RPMAt 5000 RPM, the digital pyrometer must not indicate more than 160 (71
C) If engine temperature exceeds 160 (71 C), troubleshoot cooling system to determine problem INotel If you get low or inaccurate