1996 Johnson Evinrude "ED" 90 LV 125C, 130, 200, 225, 250 Service Repair Manual, P/N 507128, Page 112Get this manual
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3 Press lightly on the syringe plunger: Fluid should move freely through fitting If fluid does not move freely through fittingreplace the inline check valve
2 Press lightly on the syringe plunge