1996 Johnson/Evinrude Outboards 50 thru 70 3-Cylinder Service Repair Manual P/N 507125, Page 94Get this manual
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7 Use sharp pencil to mark the edges of leaf valves]1
9 After leafvalve is positioned properly, install remaining screwsall screws evenly to torque of 25-35 inIbs(3-4 Nm)10 Apply Locquic