1979 V4 Evinrude Outboard Service Repair Manual for V4 Engines P/N 506764, Page 20Get this manual
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INSTALLATION
NOTE: USE HOLES AND HOLES PRIMARY LOCATION IF TRANSOM PERMITSAS THIS IS MOST DESIR ABLE LOCATION DUE INTERNAL RIBBING ON SOME TRANSOMSIT DESIRABLE USE TWO (2) HOLES AL TERN ATE LOCA