1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Repair Manual P/N 507947, Page 72Get this manual
Quality of the image is intentionally reduced!
Primer System Servicing Function Test 1 Start engine and allow it to reach ature Set engine speed at 2000 RPM2 While
3 Remove primer hose from primer fitting that you suspect is cloggedCo