1995 Johnson Evinrude "EO" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 503151, Page 70Get this manual
Primer Systemr"Servicing Function Test 1Start engine and allow it to reach normal operating temperatureSet engine speed at 2000 RPM
2While engine is running, push key in Engine should run richly and drop 1000 RPM
3Remove primer hose from any primer fitting that you suspect is cloggedConnect 18 in1.0clear vinyl hose between the fitting and syringe filled with isopropyl alcohol4Press lightly on the syringe plunger If fluid moves through the fitting, it is okayIf fluid does not move through the fitting, clean it with OMC Cleaning Tool, PIN 326623