1996 Johnson Evinrude "ED" 90 CV 88 thru 115 Service Manual, P/N 507126, Page 74Get this manual
Primer System 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 RPM3Stop the engineRemove air silencer assembly
rn 4Remove primer hose Va inI.Dclear vinylfitting that you from any primer suspect is cloggedConnect hose between
the fitting and syringe filled with isopropyl alcohol