1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Repair Manual, P/N 507267, Page 74Get this manual
Quality of the image is intentionally reduced!
Primer System Servicing Function Test
4 Remove primer hose from any primer fitting that you suspect is cloggedConnect 18 inI.Dclear vinyl hose between the fitting and syringe filled with isoprop