1994 Johnson Evinrude "ER" 90 LV 120 thru 140, 185 thru 225, 250, 300 Service Manual P/N 500612, Page 110Get this manual

1994 Johnson Evinrude "ER" 90 LV 120 thru 140, 185 thru 225, 250, 300 Service Manual P/N 500612, Page 110

Recirculation System Servicing A disfunctional recirculation system will cause one or more of the following operational symptoms:
ValveV4, 1Disconnect the inline check valve from the recirculation systemf31 2Connect an 's inI.Dclear vinyl hose between
fitting and syringe filled with isopropyl alcoholr:;l 3Press lightly on the syringe plunger: Fluid should only move freely
through fitting If fluid moves freely through fittingreplace the inline check valvef31 4Move the vinyl hose to fitting Press
lightly on the syringe plun Jer: Fluid should only move freely through fitting If fluid moves freely through fittingreplace
the inline check valvef31 5Move the vinyl hose to fitting Press lightly on the syringe plunger: Fluid should not move freely
through either fitting or If fluid moves freely through fitting orreplace the inline check valveFunction Test at Inline Check