1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Repair Manual, P/N 507268, Page 99Get this manual
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Recirculation System Servicing
3 Stop the engineRemove the carburetors and intake manifold assemblyCheck the cylinder block fitting and cylinder check valve by injecting isopropyl alcohol into t