1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 133Get this manual
Therm omelt Stik Procedure
1Install correct test propeller and place engine in test tank
i lers to avoid accidental starting of engine
Twist and remove spark plug leads before changing propel-
2Start engine and run at 3000 RPM for at least five minutes
lJ head with 125
Gl 3Reduce engine speed to 900 RPM and mark the cylinder
F (520 C) and 1630 (730 C) Thermomelt Stik