1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 518Get this manual
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3 After refini hing journach amfe oil oi hcn pol ish journal with io 320 grit polishing clot and ine oi lro us cl lh al amy be used polishin agent I'STA LLATI ON ('ai irorr: bioc nd maIn bearin ap ')