1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 70Get this manual

1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 70

Primer System Servicing Functional Test 1Start engine and allow it to reach normal operating temper atureSet engine speed at 2000 RPM 2While engine is running: Electric start modelsPush in keyEngine should run richly and drop 1000 RPM Manual start modelsStroke primer knob Engine should run richly and drop 1000 RPM

r=r suspect

Remove primer hose from any primer fitting that you is cloggedConnect 18 inI.Dclear vinyl hose between the fitting and syringe filled with isopropyl alcohol

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