1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, Service Repair Manual P/N 507875, Page 102Get this manual
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Recirculation System Servicing Functional Test
f1l 1 Connect 1a inI.Dclear vinyl hose between the recircula-
2 Press lightly on the syringe plunger No fluid should move through the