1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 891Get this manual
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;;; 60 67 .58 Diame ter Cran kpin Taper .001 ax .001 xa Out of Round Camshaft: Intake .2059 1979 .1595 .2109 .0018 .0075 1.4961 Exhaust .1979 .1979 .002-.0045 16535 .0015 Mox Lobe Li It iOOT Camshaft