1994 Johnson/Evinrude "ER" 2 thru 8 outboards Service Repair Manual P/N 500606, Page 52Get this manual
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Drill Si ze Conversion Chart SHOWING MILLIMETER SIZES, FRACTIONAL AND DECI AL INCH SIZES AND NUMBER DRILL SIZES
67 66 65 64 63 62 61 60 59 58 57 56
3.1 3.18 3.2 3.25